Earth's Four Spheres Quiz (7th Grade)

Which of the following is NOT one of Earth's four main spheres?

• Geosphere

• Atmosphere

• Asthenosphere

• Biosphere

What does the geosphere include?

• Only the Earth's crust

• All living things on Earth

• Solid parts of Earth like rocks and mountains

• All water on Earth

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The hydrosphere includes all of the following EXCEPT:

• Rivers

• Lakes

• Soil

• Oceans

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How does the geosphere interact with the hydrosphere?

• By producing oxygen for animals

• Through water erosion shaping the land

• By releasing carbon dioxide into the air

• By causing rainfall

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Which layer of Earth's spheres is responsible for weather and climate?

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

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The biosphere includes:

• Only land animals

• Only plants

• All living organisms

• Only ocean life

How does the atmosphere protect life on Earth?

• By creating mountains

• By providing minerals

• By blocking harmful solar radiation

• By heating ocean water

What process connects the atmosphere and hydrosphere through water movement?

• Photosynthesis

• The water cycle

• Sediment transport

• Volcanic eruptions

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9. Which of these is an example of how the biosphere depends on the geosphere?

• Plants obtain minerals from soil.

• Clouds form from water vapor.

• Animals migrate across continents.

• Fish swim in the ocean.

Why is the balance among the four spheres important?

• It keeps Earth rotating

• It allows animals to eat plants

• It creates conditions that support life

• It controls the speed of ocean currents

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