Earth and Space

Front

How do scientists classify different types of galaxies?

Back

Scientists classify different types of galaxies by their shape.

Front

What causes day and night on Earth?

Back

Day and night on Earth are caused by the Earth rotating on its axis.

Front

What is another word to describe what a moon is to a planet?

Back

A moon is also called a satellite.

Front

Which moon phase would someone on Earth see?

Back

Someone on Earth can see a full moon.

Front

What does a solar system contain?

Back

A solar system contains a star and the planets and other objects that revolve around it.

Front

What is a galaxy?

Back

A galaxy is a large group of stars, gas, and dust held together by gravity.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis, while revolution is when an object orbits around another object.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star and does not produce its own light.

Front

What is a comet?

Back

A comet is a small icy body that, when passing close to the sun, heats up and releases gas, forming a glowing coma and tail.