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What is the primary reason the Sun appears larger and brighter than other stars?

• It is the largest star in the universe.

• It is the closest star to Earth.

• It emits more light than any other star.

• It is made of different materials than other stars.

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Which layer of the Earth is composed of hot, convecting material?

• Lithosphere

• Mantle

• Outer Core

• Inner Core

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Explain why some stars appear brighter than others in the night sky.

• They are closer to Earth.

• They are larger in size.

• They emit more energy.

• All of the above.

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Identify the process in the rock cycle that involves the breaking down of rocks at Earth's surface.

• Erosion

• Weathering

• Melting

• Deposition

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Describe how the Sun emits energy.

• Through nuclear fusion in its core.

• By burning oxygen.

• By reflecting light from other stars.

• Through chemical reactions on its surface.

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What is the primary composition of the Earth's inner core?

• Liquid iron and nickel

• Solid iron and nickel

• Molten rock

• Silicate minerals

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How do plate tectonics relate to the rock cycle?

• They cause weathering and erosion.

• They contribute to the formation of mountains.

• They have no effect on the rock cycle.

• They only affect volcanic activity.

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Which of the following best describes the lithosphere?

• The outermost layer of Earth, consisting of the crust and upper mantle.

• The layer beneath the crust, composed of molten rock.

• The dense metallic core of the Earth.

• The layer where tectonic plates are formed.

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What is the main reason stars, other than the Sun, appear as points of light in the night sky?

• They are much smaller than the Sun.

• They are much farther away from Earth.

• They emit less light than the Sun.

• They are blocked by other celestial bodies.

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Which event is a sub-surface event in the rock cycle?

• Erosion

• Weathering

• Plate tectonics

• Sedimentation

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