Astronomy Exploring Our Solar System

Which of these is true of asteroids?

• Asteroids are irregular rocky or metallic objects.

• Steroids orbit planets.

• Asteroids are only found in the Oort Cloud.

• Asteroids are made of gas.

Which object is the center of our solar system?

• The North Star

• Earth

• the Moon

• The Sun

Which of the following planet has rings?

• Mars

• Saturn

• Venus

• Mercury

Which of the following orbits a planet?

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars

• Mercury, Earth, Jupiter, Venus

• Venus, Mars, Neptune, Earth

Which planet is closest to the Sun?

• Earth

• Venus

• Mars

• Mercury

Which of these planets is the farthest from the Sun?

• Uranus

• Neptune

• Jupiter

• Saturn

Which of the following orbits a planet?

• a star

• an asteroid

• a moon

• a comet

During which month does a city in the northern hemisphere have the fewest hours of daylight?

• March

• December

• June

• October

How long does it take Earth to make one complete orbit around the Sun?

• 24 hours

• 7 days

• 1 month

• 1 year

Earth rotates on its axis. How long does Earth take to make one rotation?

• one hour

• one year

• one week

• one day