Biogeochemical Cycles

What is the hydrologic cycle?

• The movement of water on, above, and below the Earth's surface

• The process of evaporation and condensation of water

• The cycle of water turning into ice and melting

• The movement of water through plants and animals

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NGSS.MS-ESS2-4

What is the main driving force behind the hydrologic cycle?

• Gravity

• Wind

• Sunlight

• Temperature

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NGSS.MS-ESS2-4

What happens during condensation in the hydrologic cycle?

• Water turns from a gas into a liquid

• Water turns from a liquid into a gas

• Water turns from a solid into a gas

• Water turns from a gas into a solid

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What is the role of clouds in the hydrologic cycle?

• They store water in the atmosphere

• They release water into the atmosphere

• They transport water from the ocean to land

• They absorb water from the ground

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NGSS.MS-ESS2-4

What happens during evapotranspiration?

• Plants absorb water through their roots

• Water evaporates from the surface of the ocean

• Water condenses into clouds

• Water freezes into ice

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What is the carbon cycle?

• The movement of carbon through different ecosystems

• The process of carbon dioxide turning into oxygen

• The cycle of carbon turning into diamonds

• The movement of carbon through the atmosphere

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What is the main source of carbon dioxide in the atmosphere?

• Burning fossil fuels

• Volcanic eruptions

• Photosynthesis

• Respiration by animals

What happens to carbon dioxide dissolved in the ocean?

• It is used by phytoplankton for photosynthesis

• It is released into the atmosphere

• It forms calcium carbonate shells

• It becomes trapped in permafrost

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What are fossil fuels?

• Carbon-rich geological deposits formed from dead plants

• Rocks made of limestone

• Ice formations in cold regions

• Carbon dioxide trapped in the atmosphere

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What is the impact of burning fossil fuels on the carbon cycle?

• It releases stored carbon into the atmosphere

• It increases the amount of carbon in the ocean

• It causes carbon to be trapped in permafrost

• It decreases the amount of carbon dioxide in the atmosphere

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5