Unit 4: Earth Spheres Review

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What are the four main spheres of Earth?

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The four main spheres of Earth are the biosphere (living things), atmosphere (air), hydrosphere (water), and geosphere (land).

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NGSS.MS-LS2-3

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What is the biosphere?

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The biosphere is the part of Earth where life exists, including land, water, and the atmosphere.

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What is the atmosphere?

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The atmosphere is the layer of gases surrounding Earth, essential for weather and climate.

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What is the hydrosphere?

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The hydrosphere includes all the water on Earth, such as oceans, rivers, lakes, and groundwater.

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NGSS.MS-ESS2-4

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What is the geosphere?

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The geosphere is the solid part of Earth, including rocks, soil, and landforms.

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NGSS.MS-ESS1-4

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How do ocean currents affect weather patterns?

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Ocean currents can influence temperature and precipitation patterns, affecting local and global weather.

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NGSS.MS-ESS2-6

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What is climate?

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Climate refers to the long-term average of weather conditions in a particular area.

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NGSS.MS-ESS3-5

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What is weather?

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Weather is the short-term state of the atmosphere at a specific time and place.

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Why is it important to control variables in an experiment?

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Controlling variables allows scientists to isolate the effect of the variable being tested, ensuring valid results.

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NGSS.MS-PS2-2

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What is an example of an interaction between the biosphere and atmosphere?

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Polluted air can harm animal species, showing the interaction between the biosphere and atmosphere.

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NGSS.MS-ESS2-5