Matter and Energy Flashcards

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Carbon Cycle

Back

The process in which carbon atoms move through the Earth's atmosphere, hydrosphere (water), biosphere (living things), and geosphere (land).

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Photosynthesis

Back

The process by which plants, algae, and some bacteria use sunlight to convert carbon dioxide and water into glucose and oxygen.

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Cellular Respiration

Back

The process in which cells break down glucose and oxygen to produce energy, releasing carbon dioxide and water as byproducts.

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Biosphere

Back

The regions of the Earth where living organisms exist, including land, water, and the atmosphere.

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Atmosphere

Back

The layer of gases surrounding the Earth, including oxygen and carbon dioxide.

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Hydrosphere

Back

All the water on Earth, including oceans, rivers, lakes, and water vapor in the atmosphere.

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Geosphere

Back

The solid parts of the Earth, including rocks, soil, and the Earth's interior.

Front

Carbon Sink

Back

A natural or artificial reservoir that absorbs and stores carbon from the atmosphere, such as forests or oceans.

Front

Carbon Source

Back

Any process, activity, or mechanism that releases carbon dioxide into the atmosphere, such as burning fossil fuels.

Front

Fossil Fuels

Back

Natural fuels like coal, oil, and natural gas that are formed from the remains of ancient plants and animals.