Solar System Unit Test

Which is the largest planet in the solar system?

• Jupiter

• Mars

• Uranus

• Neptune

Which is the smallest planet in our solar system?

• Earth

• Mercury

• Jupiter

• Mars

Which statement is true about stars?

• produce their own light and heat

• only 8 of them

• they are closer to Earth

• reflect light

Which statement is true about planets?

• there are billions

• orbit around the Sun

• too far away to see movement

• produce their own light and heat

Which statement is true about stars AND planets?

• only 8 of them

• closer to Earth

• sphere shaped

• there are billions

Why does the Sun appear larger and brighter as seen from Earth than the other star?

• The Sun is closer to Earth than any other star.

• The Sun is the largest star in our solar system.

• The Sun is the brightest star.

• The Sun is a blue star.

Why do stars look like small points of light in the night sky?

• stars are very small

• stars are so far away

• a star's light has not yet reached Earth

• we can only see part of the universe

Why are stars different colors?

• They are different sizes.

• They are different temperatures.

• They are far away from the Earth.

• They are different shapes.

Bob looked out the window one night and saw a very bright star just over the top of a tree. Later that same night, he looked and the star was gone. Which BEST explains what happened?

• The star burned up.

• The star rotated away from the Earth.

• Earth rotates and the stars seem to move.

• Some stars only shine for a few hours.

How do telescopes help scientists study the night sky?

• Telescopes make objects appear closer than they are.

• Telescopes do not help.

• Telescopes make objects appear farther away.

• Telescopes make images look darker.