Solar system test review

Which planet takes the longest to revolve around the sun AND the reason why

• Neptune because it is so far from the sun

• Mercury because it is so close to the sun

• Jupiter because it is the biggest planet

• Earth because it is the only planet with liquid water

What force keeps all the planets orbiting around the sun?

• Friction

• Potential energy

• kinetic energy

• gravity

Which statement below tells what planet will be LEAST affected by the gravity of its star

• The closest planet to the star will be least affected

• The furthest planet will be least affected

Which of the following correctly explains the orbital path of planets in our solar system

• The path is a perfect circle

• the path is an ellipse (oval), but close to circular shape

• every path is a large elliptical

• the shape of the path varies from planet to planet

Which of the following explains movement of objects in the solar system

• the sun revolves around the planets and moons rotate around planets

• the planets revolve around the sun and moons revolve around planets

• the planets rotate around the run and moons revolve around planets

• the sun, moon and planets rotate and revolve in a line

You see an object in the sky that appears to have a tail. What is it?

• asteroid

• meteor

• comet

• moon

rocky, smaller, more dense and few moons describes what?

• outer planets

• meteors

• asteroids

• inner planets

Made of gas, large, less dense and many moons describes what?

• outer planets

• meteor

• comet

• inner planets

What does revolve mean

• to spin

• a force of attraction between two objects with mass

• energy of motion

• to go around

What does rotate mean

• to spin

• to go around

• a force of attraction between two objects with mass

• energy of motion