Planets and Their Movements

Front

Four inner planets

Back

Mercury, Venus, Earth, Mars

Front

Four outer planets

Back

Jupiter, Saturn, Uranus, Neptune

Front

Earth moves around the

Back

Sun

Front

The moon moves around

Back

Earth

Front

The moon is not a planet because

Back

It orbits Earth

Front

One full Earth rotation measures

Back

One day

Front

One full Earth revolution measures

Back

One year

Front

One full moon revolution measures

Back

One month

Front

Definition of a solar system

Back

A solar system is a sun and everything that orbits the sun.

Front

Planets in the solar system

Back

The solar system includes planets, moons, asteroids, comets, and dwarf planets.