Topics:

A. Force & Pressure
B. Moments & Work
C. Heat
D. Chemical changes
E. Populations, community and ecosystem
F. Energy Transfer in the ecosystem
G. Nutrient cycles in the ecosystem

A. Force & Pressure
1 - Unbalanced Forces
URL: http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=501
Teacher's Description: Short animated slideshow and self test, also relates to unit 9k. Requires Flash. An odd (small) error in the quiz, again. The red team wins!

2 - All about forces
URL: http://www.engineeringinteract.org/resources/parkworldplot/flash/concepts/allaboutforces.htm
Teacher's Description: An animated introduction to the different types of forces, requires Flash

3 - Moon olympics
URL: http://teacher.scholastic.com/activities/explorations/space/level1/MoonOlympics.htm
Teacher's Description: An interactive activity that explains how playing sports on the Moon would be different.

4 - What is a force?
URL: http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/forces/revise2.shtml
Teacher's Description: An introduction to forces and motion. Pupils could explore pages 1 - 8

5 - Sports shoes
URL: http://www.cookeassociates.com/seesite/SHOES/shoes_index.htm
Teacher's Description: Four resources to demonstrate the many roles played by engineering, science and technology in today's sports. Includes forces in Formula 1.

6 - Funderstanding roller coaster
URL: http://www.funderstanding.com/coaster
Teacher's Description: An interactive rollercoaster design simulator. Requires Java

7 - Skydive from the Stratosphere
URL: http://www.pbs.org/wgbh/nova/escape/skydive.html
Teacher's Description: A reenactment of Joe Kittinger's record-breaking jump. Requires Shockwave

8 - Take a walk!
URL: http://teams.lacoe.edu/documentation/classrooms/judi/forces/activities/walk/walk.html
Teacher's Description: An online experiment to investigate the effect of different surfaces on friction.

9 - The Magic Can - a demonstration of pressure
URL: http://www.spartechsoftware.com/reeko/Experiments/magiccan.htm
Teacher's Description: Air pressure explained using a neat trick that can be done at home. This will require supervision

10 - What are aerosols?
URL: http://resources.schoolscience.co.uk/BAMA/14-16/index.html
Teacher's Description: 13 pages of interactive explanation relating to pressure and how aerosols work.

11 - How Hydraulic Machines Work
URL: http://science.howstuffworks.com/transport/engines-equipment/hydraulic.htm
Teacher's Description: A series of pages about hydraulics and how they are used in machines, includes videos.

12 - Forces
URL: http://www.lessonplanspage.com/ScienceForceAndMotion-MeasurementNewtons9.htm
Teacher's Description: A lesson plan to introduce forces and their effect on motion.

13 - Gravity
URL: http://www.amnh.org/ology/?channel=astronomy#features/gravity?TB_iframe=true&height=500&width=600
Teacher's Description: A thought provoking exercise about gravity. Useful as a starter to a lesson.

14 - Motorsport mathematics
URL: http://www.racemath.info/key_stage_menus/key_stage_3.htm
Teacher's Description: A resource linking force to transport and vehicles

15 - Simultaneous drop of two objects with different masses
URL: http://paer.rutgers.edu/PT3/experiment.php?topicid=2&exptid=17
Teacher's Description: 2 videos that can be analysed frame by frame to study how falling is independent of mass.

16 - Aristotle-vs-Galileo
URL: http://sdsu-physics.org/NaturalScience100/Topics/1Universe/4natural_laws.html
Teacher's Description: An fun animation about falling objects set in Pisa. Would be good for extension work as some of the explanations are at quite a high level e.g. Equations.

17 - Amusement park physics
URL: http://www.learner.org/interactives/parkphysics/index.html
Teacher's Description: A series of pages explaining the physics of amusement park rides, includes a number of interactive activities.

18 - Friction
URL: http://teacher.scholastic.com/dirtrep/friction/
Teacher's Description: 4 web pages about friction in everyday life. This could be useful as a homework activity. There is a lot to read through and not a lot of visual impact.

19 - The gravity story
URL: http://library.thinkquest.org/27585/frameset_intro.html
Teacher's Description: A wealth of information and some great interactive simulations about gravity.

20 - Testing time - aerosols
URL: http://www.catie.org.uk/aerosol_page.html
Teacher's Description: An excellent interactive activity explaining what goes on inside an aerosol can. Note the animation is a bit slow. For more able pupils. Back to top

B. Moments & Work
1 - Clockwise and Anticlockwise Moments
URL: http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=617
Teacher's Description: Short animated slideshow and self test introducing moments

2 - Pivots and Levers
URL: http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=490
Teacher's Description: Short animated slideshow with self test to introduce turning effects.

3 - Balanced beam
URL: http://www.freezeray.com/flashFiles/balancedBeam.htm
Teacher's Description: An interactive moments experiment. Students should see the similarities between this and levers they use in daily life. Use the resource to explore how
to best lift a heavy load with the least effort.

4 - Watt's a Joule?
URL: http://www.exploratorium.edu/theworld/energy/joules.html
Teacher's Description: Information and activities on energy and power.

5 - Levers
URL: http://www.vectorpark.com/levers/
Teacher's Description: Fun game balancing objects on a mobile.

6 - Goldburger to go
URL: http://pbskids.org/zoom/games/goldburgertogo/index.html
Teacher's Description: Getting a Heath Robinson type machine to work. Requires flash 6.0 or higher.

7 - Traditional Korean seesaw, part 2
URL: http://www.youtube.com/watch?v=X-cwq1CWreM&feature=related
Teacher's Description: A video showing an amazing application of moments in Korea.

8 - Calculating Moments
URL: http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=494
Teacher's Description: Short animated slideshow with self test about The Principle of Moments.

9 - Lever an Obelisk
URL: http://www.pbs.org/wgbh/nova/egypt/raising/lever.html
Teacher's Description: Investigate how levers can be used to lift objects. Includes a Shockwave animation.

10 - Lever Principle
URL: http://www.walter-fendt.de/ph14e/lever.htm
Teacher's Description: This applet shows a symmetrical lever with some interactive mass pieces to balance, can be used to show The Principle of Moments.
11 - Levers
URL: http://www.technologystudent.com/forcmom/lever1.htm
Teacher's Description: An explanation of levers, including the three classes of levers.

12 - Forces
URL: http://www.technologystudent.com/forcmom/force2.htm
Teacher's Description: Information about moments and calculations.

13 - Demonstrating physics: forces
URL: http://www.teachersmedia.co.uk/videos/ks3-ks4-science-demonstrating-physics-forces
Teacher's Description: A 15 min video of tips on delivering forces concepts in an interesting manner. A thought provoking introduction to moments at the beginning. Requires
registration to download

14 - Work = force x distance
URL: http://www.mansfieldct.org/schools/mms/staff/hand/work=fxd.htm
Teacher's Description: A page on work done.

15 - Work
URL: http://www.batesville.k12.in.us/physics/PhyNet/Mechanics/Energy/Work.html
Teacher's Description: A page explaining the concept of work.

16 - Work
URL: http://hyperphysics.phy-astr.gsu.edu/hbase/wcon.html
Teacher's Description: A concept diagram for work.

17 - Moments questions
URL: http://www.freezeray.com/flashFiles/balance.htm
Teacher's Description: 10 interactive questions about moments.

18 - Work
URL: http://zonalandeducation.com/mstm/physics/mechanics/energy/work/work.html
Teacher's Description: An animated page explaining work.

19 - Forces II - work
URL: http://www.skoool.ie/skoool/junior.asp?id=1316
Teacher's Description:An interactive slideshow - click on Back to top

C. Heat
1 - Heat energy
URL: http://www.powermasters.com/heat_energy.html
Teacher's Description: This page covers heat energy, expansion and energy transfer. It is particularly related to motorsports.

2 - How does heat energy move?
URL: http://www.s-cool.co.uk/gcse/physics/energy-transfers/revise-it/how-does-heat-energy-move
Teacher's Description: An animated page on conduction, convection and radiation.

3 - Heat transfer
URL: http://www.wisc-online.com/objects/ViewObject.aspx?ID=SCE304
Teacher's Description: An animated interactive activity about conduction, convection and radiation.

4 - Hotter or colder game.
URL: http://www.bbc.co.uk/schools/podsmission/solidsandliquids/annie02.shtml
Teacher's Description: Students predict the temperature of different events, from freezer to boiling water and are give hotter or colder answers. Needs flash.

5 - See the infrared photo album!
URL: http://spaceplace.nasa.gov/ir-photo-album/redirected/
Teacher's Description: 14 photographs to investigate in both visible and infrared light.

6 - Pie pan convection
URL: http://www.exploratorium.edu/snacks/pie_pan_convection/index.html
Teacher's Description: An experiment to show convection currents.

7 - Cool hot rod
URL:http://www.exploratorium.edu/snacks/cool_hot_rod/index.html
Teacher's Description: Experiment to show how changes in temperature cause objects to expand or contract. Needs adult supervision

8 - How fuel gauges work
URL: http://auto.howstuffworks.com/fuel-gauge1.htm
Teacher's Description: This page shows how a bimetallic strip is used in a car's fuel gauge. This requires more understanding on variable resistance and electric circuits before students will understand.

9 - How christmas lights work
URL: http://people.howstuffworks.com/culture-traditions/holidays/christmas-lights.htm
Teacher's Description: Pages showing how Christmas lights blink. References to the US dollar.

10 - Atoms and heat
URL: http://muller.lbl.gov/teaching/Physics10/PffP_textbook/Ch02cust.htm
Teacher's Description: Lots of interesting and odd facts about thermal expansion and cooling. Scroll down to thermal expansion. Very interesting but complex

11 - Thermal expansion
URL: http://www.scienceclarified.com/Sp-Th/Thermal-Expansion.html
Teacher's Description: An article on thermal expansion.

12 - Investigating air - hot and cold
URL: http://www.lessonplanspage.com/ScienceExHotAirMoreSpaceThanColdAirMO68.htm
Teacher's Description: Does hot air take up more space than cold air?

13 - Heating and cooling
URL: http://www.ailwyn.schoolzone.co.uk/science%20website%20internet/hwk8i.pdf
Teacher's Description: Heating and cooling homework tasks.

14 - Thermal Energy
URL: http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/energy_transfer_storage/revise5.shtml
Teacher's Description: Transfer of thermal energy from BBC Bitesize. A short but clear and simple explanation of conduction, convection and radiation

15 - Cooling the mummy's tomb
URL: http://www.miamisci.org/af/sln/mummy/coolingthetomb.html
Teacher's Description: Instructions for a simple experiment in which pupils investigate the insulating properties of styrofoam cups, recording data and drawing conclusions from it.
16 - Cold metal
URL: http://www.exploratorium.edu/snacks/cold_metal/index.html
Teacher's Description: An experiment that shows how the thermal conductivity of a material affects how cold we perceive it to be. Requires multiple LCD thermometers and large samples if possible

17 - Challenger STS 51-L accident
URL: http://history.nasa.gov/sts51l.html
Teacher's Description: Links to sites relating to the Challenger STS 51-L accident. Cannot vouch for accuracy of all information!

18 - Heat
URL: http://www.scienceclarified.com/everyday/Real-Life-Physics-Vol-2/Heat.html
Teacher's Description: A comprehensive look at heat. Direct students to scroll down to the section on NO SUCH THING AS

19 - Radiation from the Sun and Earth
URL: http://earthobservatory.nasa.gov/Experiments/PlanetEarthScience/GlobalWarming/index.php
Teacher's Description: An animated video explaining the types of radiated energy from the Sun and Earth.

20 - Hot spots
URL: http://www.exploratorium.edu/snacks/hot_spot/index.html
Teacher's Description: A experiment to show how radiated energy can be focused.

21 - Conduction
URL:http://worsleyschool.net/science/files/sci9/scott.html
Teacher's Description: An animated page showing how conduction occurs.

22 - The Space Shuttle Challenger accident
URL: http://www.mahal.org/articles/space/1995/12/the-space-shuttle-challenger-accident/page/1
Teacher's Description: A page about the Space Shuttle Challenger accident.

23 - How a heat exchanger works
URL: http://www.industry-animated.org/heat_ex.htm
Teacher's Description: Lovely interactive resource to explain how a heat exchanger works

24 - How home thermostats work
URL: http://home.howstuffworks.com/home-thermostat.htm
Teacher's Description: 8 pages on how home thermostats work, includes bimetallic strip.

25 - How do passive heat sinks work?
URL: http://www.qrg.northwestern.edu/projects/vss/docs/thermal/2-how-do-passive-heat-sinks-work.html
Teacher's Description: An explanation about how passive heat sinks work.

26 - Observe an animation of convection in the mantle
URL: http://www.classzone.com/books/earth_science/terc/content/visualizations/es0805/es0805page01.cfm
Teacher's Description: Observe an animation of convection in the mantle.

27 - Temperature and heat
URL: http://resources.yesican-science.ca/lpdd/g07/lp/nelson/nel06.html
Teacher's Description:A case study on Anton Lavoisier's investigation of heat. Back to top

D. Chemical changes
1 - Chemical reactions
URL: http://www.bbc.co.uk/schools/ks3bitesize/science/chemical_material_behaviour/compounds_mixtures/revise1.shtml
Teacher's Description: Excellent, clearly presented revision material from BBC bitesize. There is also a good multiple choice quiz.

2 - Reactions
URL: http://www.nelsonthornes.com/secondary/science/scinet/scinet/index.htm
Teacher's Description: A useful site that gives a lot of information about chemical reactions. Clicking on the hyperlinked words takes you deeper into the site.

3 - What are chemical changes
URL: http://activities.macmillanmh.com/science/ca/grade5/g5_ch8_ls1_ereview.html
Teacher's Description: Clear Flash demo covering all info required for this unit (and more). A couple of tiny textual oddities

4 - Physical and chemical changes
URL: http://www.saskschools.ca/curr_content/science9/chemistry/lesson8.html
Teacher's Description: Contains some good notes on Physical and Chemical changes. Includes some short videos and a worksheet on the material covered.

5 - Classic chembalancer
URL: http://funbasedlearning.com/chemistry/chemBalancer/default.htm
Teacher's Description: A fun activity in which pupils learn to write balanced symbol equations.

6 - Reversible and irreversible changes
URL: http://www.bbc.co.uk/schools/scienceclips/ages/10_11/rev_irrev_changes.shtml
Teacher's Description: A flash-based activity in which pupils can try to dissolve various substances in water. There is a linked quiz.

7 - Global warming interactive game
URL: http://www.globalwarminginteractive.com/
Teacher's Description: A huge game where students explore the relationship of global warming to economic, political and science policy decisions. It is a complex game and would be suitable as an extension activity for more able students.

8 - Chemical and physical change
URL: http://www.cgpbooks.co.uk/pages/interactiveElearning.asp?elearning=chemistry
Teacher's Description: Interactive quiz on chemical and physical changes.

9 - Delights of chemistry
URL: http://www1.chem.leeds.ac.uk/delights/
Teacher's Description: Gives lots of information about experiments you can perform. Includes photos and animations.

10 - Chemical reactions
URL: http://www.chemistryexplained.com/Ce-Co/Chemical-Reactions.html
Teacher's Description: Gives background information on different types of chemical reactions. Too technical for pupils.

11 - How fireworks work.
URL: http://science.howstuffworks.com/innovation/everyday-innovations/fireworks.htm
Teacher's Description: Gives a good description of how fireworks work and how they are launched into the sky. There is a good video of the chemistry involved.

12 - Firework fun
URL: http://www.upd8.org.uk/activity/156/Firework-Fun.html
Teacher's Description: Good activity on the chemical reactions that take place within fireworks. Free registration required.

13 - Identifying the products of combustion.
URL: http://media.rsc.org/Classic%20Chem%20Demos/CCD-61.pdf
Teacher's Description: Detailed explanation of how to set up the classic experiment to demonstrate the products of combustion.

14 - Exothermic reactions.
URL: http://www.footprints-science.co.uk/exo.htm
Teacher's Description: Good visualisation of what happens during a combustion reaction.

15 - Chemical Reactions
URL: http://www.chem4kids.com/files/react_intro.html
Teacher's Description: Simple page introducing the idea of a chemical reaction, from Chem4Kids. Later pages go beyond this unit to deal with rates and equilibrium but may be useful as extension material.

16 - How Fire Works
URL: http://science.howstuffworks.com/environmental/earth/geophysics/fire.htm
Teacher's Description: How fire works, from the useful Howstuffworks site. Lots of detail and extension material about the uses and dangers of fire throughout history.

17 - Chemistry videos and photographs
URL: http://www.chemistry-videos.org.uk/chem%20clips/KS3%20and%20KS4.html
Teacher's Description: Contains videos and photographs of some visual chemistry reactions. Only some relevant. Links to more information now broken

18 - Electrolysis experiments
URL: http://myweb.tiscali.co.uk/chemteach/swf/electrolysis2.swf
Teacher's Description: An excellent flash animation that shows different electrolysis reactions. There are good short video sequences in which the products of the reactions are tested.

19 - Fire prevention and firefighting: polymers that save lives.
URL: http://www.pslc.ws/fire/hsteach/index.htm
Teacher's Description: Gives some good background informaiton on combustion and why things burn. It also includes some suggested practical activities.

20 - Simple chemical reactions
URL: http://www.docbrown.info/ks3chemistry/7Fmc.htm
Teacher's Description: Multiple-choice quiz from Doc Brown's Chemistry Clinic. The questions vary each time the page is loaded. Some questions test knowledge of upper sec info, but some questions are good for developing scientific awareness and skills

21 - Air forecasting
URL: http://www.scicymru.info/sciwales/indexphpsectionchoose_scienceuser_typePupilpage_id12506languageEnglish.htm
Teacher's Description: Looks at the causes of air pollution and contains some good web-linked extension activities. Activity assumes pupils are based in Wales. Pupils should be referred to http://app.nea.gov.sg/psi/ for Singapore's air quality index after going through this website.

22 - Balancing chemical reactions
URL: http://www2.ucdsb.on.ca/tiss/stretton/CHEM1/stoich3.html
Teacher's Description: Gives clear information on writing word equations and then extends this to writing simple symbol equations.

23 - Banging chemistry: fast and furious
URL: http://www.teachersmedia.co.uk/videos/ks3-ks4-science-banging-chemistry-fast-and-furious
Teacher's Description: 15-minute video (Media Player) demonstrating exothermic and endothermic reactions. Registration required to download

24 - Hands on plastics
URL: http://www.americanchemistry.com/s_plastics/hands_on_plastics/activities/index.html
Teacher's Description:Animated walk-throughs of several plastics education activities. Direct students to click on the interactive multimedia walk-through of lab. There are lots more activities to try.

25 - Climate change: What is it?
URL: http://www.epa.gov/climatechange/kids/index.html
Teacher's Description:US environmental Protection Agency kids site with loads of links to weather and the Greenhouse effect. Also some quizzes and follow up games. Well created and easy to navigate. Back to top

E. Populations, community and ecosystem
1 - Habitats
URL: http://lgfl.skoool.co.uk/content/keystage3/biology/pc/learningsteps/HITLC/launch.html
Teacher's Description: Learn how different habitats have different features which determine the organisms that can live there. Short basic slideshow with commentary and a self test.

2 - Interdependence
URL: http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=439
Teacher's Description: Learn how different organisms within a community depend on each other for their survival. Short basic slideshow with commentary and a self test (may also be appropriate for unit 7C)

3 - Humans and animal habitats
URL: http://www.abpischools.org.uk/page/modules/human_animal_habitats/index.cfm
Teacher's Description: Simple quiz activity in which pupils decide whether an animal is suited to a particular habitat. Gives some good background information on animals and their habitats.

4 - Acid rain lake
URL: http://www.ecokids.ca/pub/eco_info/topics/frogs/acid_rain/play_acidlake.cfm
Teacher's Description: Clear animation of the role of industry on the production of acid rain and the effect on lake organisms.

5 - Drag and drop habitat game.
URL: http://www.on.ec.gc.ca/greatlakeskids/habitatfinal.html
Teacher's Description: A good drag and drop game in which pupils have to match animals to their habitats.Uses Shockwave

6 - The harbour learning zone: games and activities
URL: http://www.conservancy.co.uk/learn/ToDo/activities.htm
Teacher's Description: A range of different games and activities in which pupils can learn about an English harbour and the organisms that live there.

7 - Big Al
URL: http://www.bbc.co.uk/dinosaurs/bigalgame/
Teacher's Description: You are Big Al! Or you will be if you can grow from a hatchling to an adult male Allosaurus. An excellent game of survival or extinction.

8 - FoodWeb Kerplunk
URL: http://gingerbooth.com/coursewareCBC/ms/kerplunk.html
Teacher's Description: Model the interactioins between species in a nature reserve. Play the game and investigate the effect of your decisions on animal populations.

9 - Guide to the mangroves of Singapore.
URL: http://mangrove.nus.edu.sg/guidebooks/contents.htm
Teacher's Description: Extensive information on the mangroves of Singapore ecosystem and the factors that affect it.

10 - Community and ecosystem dynamics.
URL: http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookcommecosys.html
Teacher's Description: Extensive backgoround information on the dynamics of various types of ecosystem.

11 - Habitat
URL: http://www.nhptv.org/NatureWorks/nwep5.htm
Teacher's Description: Contains a quiz and information on two animals and how they relate to their environment.

12 - Food chains and food webs: fitting algae into the food web.
URL: http://www.bigelow.org/edhab/fitting_algae.html
Teacher's Description: Some good information on food chains and food webs. There is a drag and drop flash exercise to test knowledge.

13 - Wild Singapore.
URL: http://www.wildsingapore.com/
Teacher's Description: Extensive information about habitats and wildlife in Singapore. Lots of news and articles about what is happening in 'wild' Singapore.

14 - Coral reefs of Singapore.
URL: http://coralreef.nus.edu.sg/index.html
Teacher's Description: Good information on the ecology of the coral reefs surrounding Singapore and the threats that are facing them.

15 - DIY Science - ecosphere.
URL: http://www.open2.net/diyscience/ecosphere/index.html
Teacher's Description:Contains background information and simulated activity in which you can alter the organisms/soil conditions in an 'ecosphere'.

16 - Ecology
URL: http://www.science-class.net/PowerPoints/Ecology.ppt
Teacher's Description: PowerPoint presentation that illustrates some of the key words used when describing ecosystems.

17 - Ecology & the environment
URL: http://www.science-class.net/PowerPoints/flashcards_ecology.ppt
Teacher's Description: PowerPoint presentation highlighting key terms used in Ecology (Flashcards of key words). Graphics may not be to everyone's taste!

18 - Predator and prey
URL: http://www.mcgrawhill.ca/school/applets/bcscience7/predator/index.htm
Teacher's Description: Interactive activity on the predator-prey relationship between the snowshoe hare and Canada lynx.

19 - Population growth and interdependence in ecosystems.
URL: http://enrichmentplus.com/Media/MSBioSec16.pdf
Teacher's Description: Background notes on food webs and a multiple choice worksheet on interdependce in ecosystems.

20 - Sunny meadows
URL: http://puzzling.caret.cam.ac.uk/game.php?game=foodchain
Teacher's Description: A good simulation in which you can see how populations vary with time.

21 - Impacts of deforestation
URL: http://earthobservatory.nasa.gov/Features/Deforestation/
Teacher's Description: Photographs and information showing the effects of deforestation.

22 - Impacts of global warming
URL: http://www.climatehotmap.org/
Teacher's Description: Global map depicting possible early warning signs (fingerprints and harbingers) of global warming

23 - Earth under fire: global warming
URL: http://www.worldviewofglobalwarming.org/
Teacher's Description: Excellent photographs and explanations about global warming. Photos would make a good presentation lesson

24 - Population growth
URL: http://www.abpischools.org.uk/page/modules/population_growth.cfm
Teacher's Description: A series of flash animations and an associated worksheet in which pupils can look at factors which affect population number.

25 - Ecosystems, biomes and habitats.
URL: http://www.fi.edu/tfi/units/life/habitat/habitat.html
Teacher's Description: Extensive background information, with lots of links, on ecosystems and habitats.

26 - Adaptation and competition.
URL: http://www.bbc.co.uk/schools/ks3bitesize/science/environment_earth_universe/changes_in_environment/revise1.shtml
Teacher's Description: Gives some good information on how organisms are adapted to various environments and how man is making an impact on natural environment. Should have made clear why humans were not involved in dinosaur extinction!

27 - How WWF goes about conserving our environment.
URL: http://wwf.panda.org/what_we_do/
Teacher's Description: Lots of information on how man is affecting the natural environment.

28 - An underwater ecosystem adventure.
URL: http://www.nps.gov/bisc/photosmultimedia/upload/bisc.swf
Teacher's Description:An interactive activity in which you can find out about four ecosystems in Florida. Back to top

F. Energy Transfer in the ecosystem
1 - Populations
URL: http://lgfl.skoool.co.uk/viewdetails_ks4.aspx?id=424
Teacher's Description: Very extensive information on populations and ecosystems. Episode 19 onwards deals with energy flows in food chains.

2 - Energy flow in the ecosystem.
URL: http://www.mhhe.com/biosci/genbio/tlw3/eBridge/Chp29/animations/ch29/ecosystem_organization.swf
Teacher's Description: Short but well animated flash overview of the movement of energy through the ecosystem.

3 - Food web creator
URL: http://www.gould.edu.au/foodwebs/kids_web.htm
Teacher's Description: Interactive activity for students to sort organisms into different trophic levels and then view the resulting food web for a range of habitats.

4 - Web of life.
URL: http://www.bbc.co.uk/nature/blueplanet/webs/flash/weboflife.swf
Teacher's Description: A good interactive activity from the BBC in which pupils can find out about a reef ecosystem and the food chains and food web there.
5 - Plant growth game.
URL: http://www.kongregate.com/games/chrisperone/the-plant
Teacher's Description: Flash game. Seed a new plant and use the sun and leaves to boost energy levels. Grow thorns / digestive sections to ward off or consume insects.

6 - Create a food web
URL: http://teacher.scholastic.com/activities/explorer/ecosystems/be_an_explorer/map/line_experiment14.swf
Teacher's Description: Interactive food web activity. Create feeding relationships, answer some simple questions to identify impact of changing numbers on the rest of the ecosystem.

7 - Ecosystems song
URL: http://www.youtube.com/watch?v=TE6wqG4nb3M
Teacher's Description: Well produced, informative song outlining key features of food chains and trophic levels.

8 - Feeding relationships
URL: http://www.ngfl-cymru.org.uk/vtc/Phase3delivery/Wales/Science/Keystage4/Livingthingsand/Feedingrelation/Introduction/default.htm
Teacher's Description: The interactive activities within the lesson can be used for assessment or reinforcement. The whole package can be downloaded. Flash based activities.Interactive whiteboard activity - part 1Covering producers and consumers as well as food chains.Interactive whiteboard activity - part 2Showing how food chains become food webs.Interactive whiteboard activity - part 3Pyramids of numbers and biomass.

9 - Food chains
URL: http://www.crickweb.co.uk/ks2science.html#foodchains
Teacher's Description: An interactive activity in which pupils can find out about food chains in various habitats.

10 - Food chains movie.
URL: http://www.kidsknowit.com/interactive-educational-movies/free-online-movies.php?movie=Food%20Chains
Teacher's Description: Animated sequence on food chains and food webs. There is a gap-fill exercise to complete at the end.

11 - Energy flow through an ecosystem.
URL: http://www.science-class.net/PowerPoints/Energy_Flow.ppt
Teacher's Description: Clearly presented PowerPoint presentation on energy flow in food chains.

12 - The nonliving environment
URL: http://glencoe.mcgraw-hill.com/sites/0078617022/student_view0/unit5/chapter25/section_3_self-check_quiz-eng_.html
Teacher's Description: Multiple choice quiz on energy transfer in food chains.There is an error about secondary consumers being herbivores, you could see if you can get pupils to find the mistake.

13 - Food chains and webs.
URL: http://www.science-class.net/Lessons/Ecology/Energy%20Transfer/misc_food_chains.doc
Teacher's Description: Clearly presented worksheet (Microsoft Word format) on food chains and webs. Some concepts are beyond the curriculum - e.g. torque

14 - Energy pyramids and food chains.
URL: http://www.ftexploring.com/me/pyramid.html
Teacher's Description: Web page on energy pyramids and food chains. Illustrated using an example of an energy pyramid found in a marine ecosystem. A few odd typos.

15 - A deciduous forest energy pyramid.
URL:http://www.world-builders.org/lessons/less/biomes/deciduous/decpy.html
Teacher's Description: Notes on how energy is transferred between organisms in a deciduous forest. Illustrated with an energy pyramid and links to a page showing the forest food web.

16 - Food chains, food webs and the transfer of energy.
URL: http://teachers.henrico.k12.va.us/highlandsprings/meade_j/Units/Unit%202/Unit%202%20Notes%20-%20PowerPoint/Unit%202,%20Part%203%20Notes%20-%20Food%20Webs.PPT
Teacher's Description: A well-illustrated PowerPoint presentation on food chains, food webs and the transfer of energy.

17 - Energy flows in ecosystems.
URL: http://www.uwsp.edu/cnr/wcee/keep/Mod1/Flow/foodchains.htm
Teacher's Description: A web page that explains energy transfer in food chains and food webs.

18 - Energy flow
URL: http://www.teachersdomain.org/resource/tdc02.sci.life.oate.energyflow/
Teacher's Description: Well presented page on energy flow on ecosystems, with good animations. The emphasis is on energy transfers in the human food chain. Free registration is required to view the pages.

19 - Energy flow
URL: http://www.mhhe.com/biosci/esp/2001_gbio/folder_structure/ec/m3/s2/
Teacher's Description: Good well-illustrated pages on energy flow in food chains. There is a good flash movie explaining energy flow in a Prairie ecosystem. Navigate through the pages using the small icons at the bottom.

20 - Feeding relationships between organisms.
URL: http://webarchive.nationalarchives.gov.uk/20100612050234/http://www.standards.dfes.gov.uk/schemes2/secondary_science/sci07c/07cq4b?view=get
Teacher's Description: A detailed lesson plan on feeding relationships and energy transfer in ecosystems.

21 - Whales and food webs
URL: http://www.coolantarctica.com/Antarctica%20fact%20file/wildlife/whales/food%20web.htm
Teacher's Description: Factsheet on feeding relationships in Antarctica. Shows the food webs in the Southern Oceans. You could discuss the logic that 'whales grow big partly because they feed at the bottom of the food chain'.

22 - The transfer of energy in a food chain
URL: http://www.saburchill.com/ans02/chapters/chap017.html
Teacher's Description: This is a fact sheet on energy transfer which may be used with older, more able students. Static text but good info for background

23 - Ecosystems
URL: http://kentsimmons.uwinnipeg.ca/16cm05/1116/16ecosys.htm
Teacher's Description: Excellent background information on food chains, food webs and energy transfer. This web page is well illustrated.

24 - What happens to energy and biomass at each stage in a food chain?
URL: http://lgfl.skoool.co.uk/content.aspx?id=757#anchor4
Teacher's Description:A good, clearly presented, page on energy transfer in food chains. Back to top

G. Nutrient cycles in the ecosystem
1 - Cycles of the Earth system.
URL: http://www.eo.ucar.edu/kids/green/cycles1.htm
Teacher's Description: A good web page that clearly explains different cycles that regulate the Earth and the atmosphere. Cycles covered include: energy, carbon, nitrogen, water, rock cycle, atmosphere and water.

2 - The carbon cycle
URL: http://www.windows2universe.org/earth/Water/co2_cycle.html
Teacher's Description: Good web page on the carbon cycle. There is a good linked interactive activity on the carbon cycle.

3 - Decomposers
URL: http://www.teachersdomain.org/resource/tdc02.sci.life.oate.decompose/
Teacher's Description: Good web page on decomposers. There is a 3 minute QuickTime video that explains their role in recycling nutrients. There is a limited view of the 7 available resources without registration

4 - Decomposers and scavengers.
URL: http://www.nhptv.org/natureworks/nwep11.htm
Teacher's Description: Basic background information on the role of decomposers and scavengers in recycling nutrients and there is a linked quiz.

5 - Eat or be eaten
URL: http://www.quia.com/hm/18276.html
Teacher's Description: Hangman puzzle that covers feeding relationships and recycling of nutrients.

6 - Adventure ecology
URL: http://www.adventureecology.com/
Teacher's Description: An interactive flash game in which pupils can learn about the relationship between humans and their environment.

7 - Compost 4 fun.
URL: http://compost4fun.recyclenow.com/
Teacher's Description: Simple and fun Flash game. Students select their age group up to 13 or 13+ and then find the right balance of household and garden rubbish to maintain a healthy compost bin. Other info available from the recyclenow.com website.

8 - Micro-organisms, nutrients and tree growth.
URL: http://www.fao.org/DOCREP/006/AD228E/AD228E04.htm
Teacher's Description: Good background information on the role of decomposers in releasing nutrients for tree growth.

9 - Fungi and the ecosystem.
URL: http://www.aber.ac.uk/fungi/fungi/importance/ecology.htm
Teacher's Description: Good background information on the role fungi play on recycling nutrients in the food chain.

10 - Soil ecology.
URL: http://www.seafriends.org.nz/enviro/soil/ecology.htm
Teacher's Description: Extensive background information on how nutrients are cycled between living things and their environment. Illustrated with some good diagrams.

11 - The carbon cycle
URL: https://courseware.e-education.psu.edu/courses/egee101/flash/carboncycle10.swf
Teacher's Description: Visual animation of the carbon cycle that highlights processes by which carbon is removed from the environment and released into the environment. Can be misinterpreted to imply that animals photosynthesise!

12 - An element on the move.
URL: http://www.open2.net/science/element/html/index.html
Teacher's Description: A game in which you can move a carbon atom between the environment and living organisms and a quiz on the carbon cycle. Suitable for higher ability pupils.

13 - What is a decomposer?
URL: http://www.qrg.northwestern.edu/projects/marssim/simhtml/info/whats-a-decomposer.html
Teacher's Description: A simple, well-illustrated, web page that explains what a decomposer is.

14 - living bacteria through the microscope.
URL: http://www.ebiomedia.com/living-bacteria-through-the-microscope.html
Teacher's Description: A visual web page with some excellent photographs of bacteria, many of which are involved in the recycling of nutrients.

15 - The Biosphere
URL: http://www.fortbend.k12.tx.us/campuses/documents/Teacher/2006%5Cteacher_20060914_1207.ppt
Teacher's Description: Extensive PowerPoint presentation covering the Biosphere. Key words are defined and there are several slides on nutrient cycles in Ecosystems.

16 - Decay and renewal
URL: http://mcs.k12.ny.us/pages/rmarshall/Main%20Page/Decay%20and%20Renewal%20I.ppt
Teacher's Description: PowerPoint presentation on the recycling of nutrients within ecosystems.

17 - Compost
URL: http://sfenvironmentkids.org/resources/compost.htm
Teacher's Description:A good web site detailing how compost is generated by decomposers. It contains links to some good pages on the role Earthworms play in recycling nutrients. The reference to vitamins in compost is woolly and not rigorous. Effects of compost on soil structure and moisture retention could be better emphasised.

18 - Plant nutrient team.
URL: http://soil.gsfc.nasa.gov/NutrTeam/pntintro.htm
Teacher's Description: On line version of 'The Plant Nutrient Team Activity Book'. available in 4 page downloadable packets or to view on line.

19 - Decomposers
URL: http://www.recycleworks.org/kids/decomposers.html
Teacher's Description: A single web page on the role decomposers play in recycling nutrients. There is a jigsaw puzzle activity for pupils to try.

20 - Yucky worm world
URL: http://yucky.discovery.com/flash/worm/
Teacher's Description:A good website about Earthworms that gives information about the role they play in recycling nutrients. Back to top