Gizmos: Solar System Quiz

Imagine you are an astronaut exploring the solar system. How would you identify an inner planet?

• It would be a planet composed mainly of gas

• It would be a planet with a rocky surface

• It would be a planet closest to the Sun

• It would be a planet farthest from the Sun

Imagine you are an astronaut studying the solar system. What shape would you observe the orbits of all planets to be?

• Circles

• Ellipses

• Squares

• Triangles

The visible part is considered part of the atmosphere of gas giants.

• True

• False

What is the force of attraction between all objects in the universe called?

• Gravity

• Magnetism

• Friction

• Electricity

Imagine you are an astronaut exploring the solar system. How many known planets would you encounter on your journey?

• Four

• Six

• Eight

• Ten