Space Science State Test Prep

What are the differences between asteroids and planets?

• Planets orbit around the Sun and asteroids do not.
• Asteroids are able to hit Earth and planets are not.
• Planets rotate at a speed much faster than asteroids.
• Planets are larger and shaped like spheres, while asteroids are smaller and not spherical.

Which of the following statements best explains why it is warmer at the equator than at the North Pole?

• The equator has a larger area than the North Pole.
• The equator is closer to the Sun than the North Pole.
• The equator receives more direct sunlight than the North Pole.
• The equator has more hours of daylight per year than the North Pole.

The Sun appears larger than the others stars because of

• its yellow color
• its high temperature
• its distance from Earth
• the greater amount of light it gives off

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NGSS.MS-ESS1-1

Kennedy and her mother observed the constellation Orion high in the night sky. Four hours later, they noticed that the constellation had moved to another part of the sky. Why?

• Earth’s axis is tilted.
• Earth rotates on its axis.
• The stars in the constellation Orion changed positions.
• The stars in the constellation Orion moved across the sky.

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How is Earth different from the other planets in the solar system?

• It has an atmosphere
• It has a solid surface
• It has warm temperatures
• It has liquid water on its surface

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The length of one day on Earth is determined by how long it takes

• the Moon to revolve once
• the Moon to rotate once
• Earth to rotate once
• Earth to revolve once

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Which quality do all the planets in the solar system share?

• They all have moons.
• They all rotate in 24 hours.
• They all have rings.
• They all orbit the Sun in about the same plane.

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Identify the phase of the Moon in the drawing...

• Crescent
• Gibbous
• Full
• New

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In a diagram depicting the solar system as heliocentric, what is located at the center?

• Earth

• the sun

• the moon

• Mars

The orbit of a planet around the sun is a(an)

• ellipse.

• straight line.

• circle.

• parabola.

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NGSS.MS-ESS1-1

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