WARM UPS:

1. Are things recycled in nature?

2. What types of things can be recycled naturally?

3. Have you ever heard of carbon? If so, what is it?

WE ARE GOING TO LOOK ATTHE CARBON CYCLE TODAY!!

Carbon Cycle

1. Carbon is the fourth most abundant element in universe

2.Building block of all living things – all life on earth contain carbon

3.CO2 is found in all living organisms

4.Plants use carbon dioxide and water to form simple sugars (photosynthesis)

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1. Carbon cycle

Circulation of carbon through ecosystems

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2. Carbon A non-metallic element found in coal, petroleum and natural gas. Major component of life.

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3. Photosynthesis

Energy (sun)+ Water+ Carbon dioxide = Carbohydrates + Oxygen

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4. Cellular Respiration-

Glucose+ Oxygen = CO2+ H20+ Energy (ATP)

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5. Decomposition

breakdown of matter by bacteria and fungi

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6. Combustion

Burning organic material (contains carbon) and releasing it to the atmosphere

Ecological Importance of Carbon

1. Carbon is needed for life

2. Carbon dioxide is a greenhouse gas

3. Carbon is necessary for life, but carbon dioxide can be harmful

Label the picture: Carbon in atmosphere, combustion, photosynthesis, respiration (2) decompositions (2)