The Solar System MS-ESS1-2

NGSS

The force that causes an object to move in a circle

Centripetal force

The force that causes an object to move in a circle. Centripetal force. Centripetal force is the invisible push or pull that keeps an object moving in a circular path.

a massive system of stars, gases, and dust held together by gravity

Galaxy explained in an easy to understand way.

the attractive force between all objects that have mass

Gravity explained in an easy to understand way.

Mass explained in an easy to understand way.

a natural body that revolves around a planet

Moon explained in an easy to understand way.

the path of one body around another, like Earth’s orbit around the Sun

Orbit explained in an easy to understand way.

Rotation explained in an easy to understand way.

An object that moves around a larger object in space, like the moon around Earth

Satellite

An object that moves around a larger object in space, like the moon around Earth. Satellite. A satellite is something that orbits around a planet or star, like how the moon orbits Earth.

a group of planets and other objects that revolve around a sun

Solar system explained in an easy to understand way.

The force that causes an object to move in a circle

An object that moves around a larger object in space, like the moon around Earth

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