Solar System Vocabulary

Front

What is the solar system?

Back

The sun, planets, and all other objects that orbit the sun

Front

What are the two main gases in the atmosphere?

Back

Nitrogen & Oxygen

Front

Define - Atmosphere

Back

Layers of gases that surround the earth

Front

What is the composition of most comets?

Back

ice, dust, rock, gases

Front

What is another name you could call a comet?

Back

dirty snowball

Front

Define the "universe."

Back

All matter and energy in existence. This is like a giant container of all the galaxies.

Front

The sun and all of the planets and other bodies that travel around it.

Back

Solar System

Front

A collection of stars, dust, and gas bound together by gravity.

Back

Galaxy

Front

Gravity is the force objects put on each other because of their ______.

Back

mass

Front

________ holds all of the planets in orbit around the sun.

Back

Gravity