TOPIC 2 CYCLES IN THE ENVIRONMENT

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Presentation transcript:

TOPIC 2 CYCLES IN THE ENVIRONMENT

Energy in the environment is passed through food chains/webs It is NOT recycled Matter in the environment is also passed through food chains/webs It IS recycled Why is this important? What types of matter are cycled? Carbon, water, pollution

1. The Carbon Cycle Where is carbon found? ALL living things Minerals Fossil fuels Air (carbon dioxide)

Lab Activity 3: TellTale Snails http://www.learnalberta.ca/Search.aspx?lang=en&search=snail&grade=&subject=Science http://www.explorelearning.com/index.cfm?method=cExtAccessSecure.dspResource&ResourceID=641&certificate=authorizer%3DLearnAlberta%26userid%3DLA05%26i%3D0%26expires%3D2014%252F09%252F30%2B14%253A03%253A29%26hash%3DdyIns8wW3LOITbDilj8dhw%253D%253D

Plants use the carbon found in carbon dioxide for photosynthesis Carbon is found in the sugar plants make Herbivores eat plants and get their carbon from the plants Carnivores eat other consumers and get their carbon from those animals Animals release carbon as carbon dioxide when they exhale

The Carbon Cycle Where else is carbon found? http://www.youtube.com/watch?v=2Jp1D1dzxj8

Fossil fuels Decomposing plant and animal materials are put under great pressure underground Still contains the carbon that was in the organisms Burning fossil fuels releases carbon dioxide into the air