Earth, Moon, Sun

Front

The path one object takes as it revolves around another object in space.

Back

orbit

Front

An imaginary line that a sphere rotates around.

Back

axis

Front

Making a complete spin on an axis.

Back

rotation

Front

Making a complete turn or orbit around an axis or center.

Back

Revolution

Front

A natural satellite that orbits a planet, some planets have none and others have over 60.

Back

moon

Front

The outermost covering or layer.

Back

surface

Front

The layer of gas surrounding planet Earth; held in place by gravity and composed of a limited number of elements-primarily nitrogen and oxygen.

Back

atmosphere

Front

The center of our solar system that supplies heat and light to Earth; its enormous gravity keeps the solar system in orbit.

Back

sun

Front

The planet that all known life exists on.

Back

Earth

Front

What is the Earth made of? Options: rock, water, oxygen, water

Back

rock