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While gazing through a telescope, Elexi noticed a bright spot moving fast through the sky. On closer

examination, she observed the spot was followed by a stream of hot dust. Elexi most likely observed:

• an asteroid

• a comet

• a meteor

• a moon

Which one of the following is NOT true of stars?

• Stars create energy by burning gases in their cores.

• Stars have a larger gravitational force than planets.

• Stars are primarily made of hydrogen and helium.

• Stars have much smaller masses than planets.

Why is Venus often the brightest planet in the night sky?

• It is the closest planet to Earth.

• It is made of white elements.

• It shares an orbit with the planet Earth.

• It is made of gases that produce light.

Which statement about planets is true?

• Planets orbit around Earth.

• Planets orbit around moons.

• Planets orbit around the Sun.

• Planets do not have an orbit.

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The diagram above represents the planets our solar system. Where is the asteroid belt located on this

diagram?

• between A and B

• between D and E

• between F and G

• after H

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NGSS.MS-ESS1-3

The scale drawing below shows the sizes of three Solar System objects compared to the Earth.

Object 2 is made mostly of rock and metal. It orbits the sun between the paths of Mars and Jupiter.

Object 2 is MOST LIKELY ___________.

• an asteroid

• a comet

• a dwarf planet

• a star

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NGSS.MS-ESS1-3