Ch. 1 L1 Earth Systems & Interactions

Earth system that includes rocks, sand, and mountains

• geosphere

• atmosphere

• hydrosphere

• biosphere

Answer explanation

The geosphere encompasses all the solid parts of Earth, including rocks, sand, and mountains. It is distinct from the atmosphere (air), hydrosphere (water), and biosphere (living organisms). Thus, the correct answer is geosphere.

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Bears, people, and trees are part of what Earth System?

• hydrosphere

• atmosphere

• biosphere

• geosphere

Answer explanation

Bears, people, and trees are all living organisms that interact with each other and their environment, which defines the biosphere. The biosphere encompasses all ecosystems and living beings on Earth.

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What is an interaction with the geosphere?

• drinking a glass of water

• a factory releasing chemicals into the air

• digging a hole in the backyard

• a beaver building a dam

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Answer explanation

Digging a hole in the backyard is an interaction with the geosphere because it involves altering the Earth's surface. The other options do not directly involve the geosphere in the same way.

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Which is an interaction with the atmosphere?

• a new tree absorbing rainwater through its roots

• a car releasing too much carbon monoxide

• a polar bear floating on a glacier

• algae growing in a pond

Answer explanation

The correct choice, 'a car releasing too much carbon monoxide', is an interaction with the atmosphere as it involves the emission of pollutants that affect air quality, unlike the other options which do not directly interact with the atmosphere.

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The word for all the Earth's living organisms is the _________.

• Biosphere

• Hydrosphere

• Lithosphere

• Atmosphere

Answer explanation

The term 'Biosphere' refers to all living organisms on Earth, encompassing various ecosystems. The other options—Hydrosphere, Lithosphere, and Atmosphere—represent water, land, and air, respectively, but not living organisms.

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Earth's circulating water systems is the ___________.

• Biosphere

• Hydrosphere

• Lithosphere

• Geosphere

Answer explanation

The correct answer is 'Hydrosphere' because it refers to all of Earth's water systems, including oceans, rivers, and lakes, which circulate water. The other options refer to different Earth systems: biosphere (life), lithosphere (land), and geosphere (Earth's physical structure).

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Earth's surface and interior is the___________.

• Biosphere

• Atmosphere

• Geosphere

• Hydrosphere

Answer explanation

The correct answer is 'Geosphere' because it refers to the solid parts of Earth, including the surface and interior. The biosphere relates to life, the atmosphere to air, and the hydrosphere to water.

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Earth's relatively thin layer of gases is the __________.

• Biosphere

• Geosphere

• Hydrosphere

• Atmosphere

Answer explanation

Earth's relatively thin layer of gases is called the atmosphere. It surrounds the planet and is essential for life, providing the air we breathe and protecting us from harmful solar radiation.

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Which is an example of an interaction between the Hydrosphere and Atmosphere?

• A cloud forms in the sky

• water in the ground is used by plants

• ocean waves carve out a cave into a rocky cliff

• humans pollute the air

Answer explanation

A cloud forming in the sky is a direct interaction between the hydrosphere (water vapor) and the atmosphere (air), illustrating how water from the hydrosphere enters the atmosphere as vapor and condenses to form clouds.

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True/False: Cycles of matter show the interactions among earth systems.

• True

• False

Answer explanation

True. Cycles of matter, such as the water cycle and carbon cycle, illustrate how different Earth systems (like the atmosphere, hydrosphere, and biosphere) interact and exchange materials, highlighting their interconnectedness.

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