Exploring Earth and Its Dynamics

How does the Earth's relative proximity to the sun contribute to its ability to support life?

• It ensures a constant temperature throughout the year.

• It provides the right amount of solar energy for photosynthesis.

• It prevents the Earth from having any seasons.

• It causes the Earth to have a perfect circular orbit.

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VA.ES.3.a.

Explain how the tilt of the Earth's axis affects the changing of seasons.

• The tilt causes the Earth to move closer to the sun in summer.

• The tilt results in varying angles of sunlight, affecting temperature.

• The tilt causes the Earth to rotate faster in summer.

• The tilt has no effect on the seasons.

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VA.ES.3.b.

Which of the following factors is NOT a reason why Earth can support life?

• Presence of liquid water.

• Proximity to the sun.

• Lack of atmosphere.

• Suitable temperature range.

Tags

VA.ES.3.a.

Describe the process by which the sun-Earth-moon system causes a solar eclipse.

• The Earth moves directly between the sun and the moon.

• The moon moves directly between the sun and the Earth.

• The sun moves directly between the Earth and the moon.

• The Earth and moon align side by side with the sun.

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VA.ES.3.b.

What role does Earth's atmosphere play in supporting life?

• It blocks all sunlight from reaching the surface.

• It provides oxygen and protects from harmful solar radiation.

• It increases the Earth's gravitational pull.

• It prevents any weather changes.

Tags

VA.ES.3.a.

How do the gravitational interactions in the sun-Earth-moon system affect ocean tides?

• They cause tides to occur only during the day.

• They create predictable patterns of high and low tides.

• They prevent any changes in sea level.

• They cause tides to occur randomly.

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VA.ES.3.b.

Which of the following is a direct result of Earth's distance from the sun?

• The occurrence of solar eclipses.

• The presence of liquid water on Earth.

• The formation of the moon.

• The Earth's magnetic field.

Tags

VA.ES.3.a.

Analyze how the phases of the moon are related to the sun-Earth-moon system.

• The phases are caused by the Earth's shadow on the moon.

• The phases are due to the moon's rotation on its axis.

• The phases result from the moon's position relative to the Earth and sun.

• The phases are caused by changes in the sun's brightness.

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VA.ES.3.b.

What is the primary reason Earth experiences different seasons?

• The Earth's distance from the sun changes significantly.

• The Earth's axis is tilted relative to its orbit.

• The sun's energy output varies throughout the year.

• The Earth's rotation speed changes.

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VA.ES.3.b.

Evaluate the impact of Earth's atmosphere on its ability to support life.

• It has no significant impact on life.

• It provides essential gases and regulates temperature.

• It increases the Earth's gravitational force.

• It prevents the Earth from rotating.

Tags

VA.ES.3.a.