Science Review: Forces and Motion, Light, Sound, Electricity

Front

What is force?

Back

Force is a push or pull on an object that can cause it to move, stop, or change direction.

Tags

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Front

What happens to the momentum of a large ball when it collides with a small stationary ball?

Back

The momentum of the large ball decreases, and the momentum of the small ball increases.

Tags

NGSS.MS-PS2-1

Front

What is an open circuit?

Back

An open circuit is a circuit that is not complete, meaning electricity cannot flow through it.

Front

What materials allow light waves to pass through easily?

Back

Transparent materials allow light waves to pass through easily.

Tags

NGSS.MS-PS4-2

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through air, water, or solids.

Tags

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Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling us down.

Tags

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Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical circuit through which current can flow.

Front

What is a translucent material?

Back

Translucent materials allow some light to pass through but not enough to see clearly through them.

Tags

NGSS.MS-PS4-2