Earth and Sun Investigation 2 Vocabulary Review

Front

What is the Moon?

Back

Earth's natural satellite.

Front

What is a small, rocky object that orbits the Sun called?

Back

Asteroid.

Front

What is a planet?

Back

A large, round object orbiting a star.

Front

What is the solar system?

Back

Planets and other objects that orbit the Sun.

Front

What happens when the Moon is waning?

Back

It is getting smaller.

Front

What is an asteroid?

Back

A small, rocky object that orbits the Sun.

Front

What is a dwarf planet?

Back

A celestial body that orbits the Sun and is similar to a planet but does not clear its orbit.

Front

What is a gas giant planet?

Back

A large planet that is mostly made of gases, such as Jupiter and Saturn.

Front

What is a comet?

Back

A small icy body that, when passing close to the Sun, heats up and begins to release gases, forming a tail.

Front

What is the Milky Way Galaxy?

Back

The galaxy that contains our solar system and billions of other stars.