Space Unit Test Review

Which Scientist discovered that planets move in elliptical orbits?

• Newton

• Galileo

• Copernicus

• Johannes

  Kepler

Which Scientist had early discoveries regarding Gravity?

• Kepler

• Copernicus

• Galileo

• Newton

How big is our sun compared to other stars?

• Sun is smaller than other stars

• Sun is average in star size

• Sun is bigger than other stars

Which is the hottest planet?

• Mars

• Venus

• Mercury

• Earth

How long does it take for the moon to revolve around the Earth?

• 1 hour

• 24 hours

• about 1 month

• 1 year

When the earth rotates it does so in 24 hours - What does the rotation cause?

• day and night

• 4 seasons

• spinning

Which Scientist(s) discovered or proved that planets orbit the sun and the sun is the center of the universe?

• Newton

• Kepler

• Copernicus

  Galileo

• Bill Nye

What force holds all the planets in orbit around the sun?

• inertia

• gravity

• force

• hydrogen

Which is the largest? Solar system, Galaxy or Universe

• Solar System

• Galaxy

• Milky Way

• Universe

What is the area between Mars and Jupiter called?

• Milky Way

• Kuiper Belt

• Oort Cloud

• Asteroid Belt