Unit 4 Review: Earth's Systems

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What is conduction?

Back

Conduction is the process of heat transfer through direct contact between materials, where energy flows from a warmer object to a cooler one.

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NGSS.MS-PS3-3

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What is evidence of conduction?

Back

Cooler air molecules come in contact with the warm ground, causing energy to be passed to the air.

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NGSS.MS-PS1-4

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How does air pressure change with altitude?

Back

Air pressure increases when altitude decreases.

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What is global warming?

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Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the burning of fossil fuels.

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Front

What is a consequence of increased burning of fossil fuels?

Back

There would be a global rise in temperatures.

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NGSS.MS-ESS3-5

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What causes differences in air pressure?

Back

Differences in air pressure are caused by uneven heating of the Earth.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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What is the greenhouse effect?

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The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.

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NGSS.MS-ESS3-5

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, used as energy sources (e.g., coal, oil, natural gas).

Front

What is the role of photosynthesis in ecosystems?

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Photosynthesis is the process by which plants convert sunlight into energy, producing oxygen and organic materials that support life in ecosystems.

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NGSS.MS-LS1-6

Front

What happens to air when it is heated?

Back

When air is heated, it becomes less dense and rises, leading to convection currents.

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NGSS.MS-ESS2-5

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