Solar System Test Review

Front

A small, rocky object that orbits the sun, usually between Mars & Jupiter:

Back

Asteroid

Front

A space rock that does not have a tail and is not found in the asteroid belt.

Back

Meteoroid

Front

A small body of ice, rock, and dust that follows an elliptical orbit around the sun:

Back

Comet

Front

The theory that states that Earth is the center of the universe:

Back

Geocentric theory

Front

What type of solar system model is shown?

Back

Geocentric model

Front

The force that governs the motion of objects in space:

Back

gravity

Front

Which planet has a lower mean (average) distance than Earth and no atmosphere? Options: Mercury, Mars, Venus, Jupiter

Back

Mercury

Front

This theory states that the universe began with a tremendous explosion 13.7 billion years ago:

Back

Big bang theory

Front

Only planet that supports life in our solar system

Back

Earth

Front

This planet has virtually no atmosphere

Back

Mercury