Earth and Space

Front

What is mechanical energy?

Back

Energy from movement, such as running or moving objects.

Front

What is the order of the outer planets in our solar system?

Back

Jupiter, Saturn, Uranus, Neptune.

Front

What is light?

Back

Energy from the sun or other sources that the eye can see.

Front

What is sound?

Back

Energy from vibrations that you hear.

Front

Does the sun revolve around the Earth?

Back

False. The Earth revolves around the sun.

Front

What is the closest planet to the sun?

Back

Mercury.

Front

What is a planet?

Back

A large celestial body that orbits a star.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis; revolution is when it orbits around another object.

Front

What is gravity?

Back

A force that pulls objects toward each other, like the Earth pulling us down.

Front

What is a star?

Back

A massive ball of gas that produces light and heat through nuclear fusion.