Carbon cycle 7th grade science

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7th grade science

Producer

organism that produces its own food.

Organism

a living thing.
a form of life.

Eruptions

An outburst or outbreak as in, eruption of a valcano.

Sediment

Small peices of material that have broken off of rocks and have been deposited by water, wind, and ice.

Sedimentary rock

Rock formed when sediment is pressed and cemented together naturally, over millions of years.

Fossil Fuels

Fuels such as coal, oil, and natural gas. These fuels are formed over millions of years from the remains of old plants and animals.

Limestone

Rock made mostly from calcium carbonate from the skeletons of marine (water) organisms.

Carbon Dioxide (CO2)

A gas made up of 1 carbon and 2 oxygen atoms.

Carbon dioxide-oxygen cyle

The continual transfer of carbon dioxide and oxygen between living things and the environment.

Photosynthesis

Plants use energy from the sun to convert, or change, carbon dioxide and water into sugars.

Global Warming

An increase in the earth's average temperature that causes changes in the climate.

Why is it important the study the carbon cycle?

So we can see how human activity may lead to global warming.

Deforestation

When we cut down trees and burn wood, the carbon in them becomes carbon dioxide and enters the atmosphere.

Combustion

Burning fossil fuels from the ground for energy so we can run cars, produce electricity, and manufacture goods.

Respiration

when plants and animals release carbon to the atmosphere.

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