Ch. 10 Solar System Test Review

Our solar system has _____ planets.

______________ have to train a lot to travel in space.

What planet can support life?

What orbits Earth?

The Earth is 2,000,000 miles away from the Sun.

The 4 outer planets in order from the sun are:

The Sun is a __________________.

_____________ is the largest planet in our solar system.

The _________ of a planet, is an imaginary line that goes through the middle of it.

The Inner Planets, from the Sun are:

_____________ means to move around another object.

___________ are unmanned and sent to space to explore dangerous places and planets.

The four outer planets are made of ______________.

A _____________ is the shape of the sun's light on the moon.

___________ is the closest planet to the Sun.

Planets revolve around the sun.

It takes Earth about one year, or _______ days to orbit the Sun.

The Inner Planets are made of a hard, rocky surface.

Earth has only 1 moon.