MS PS2-5 Review (Non-Contact Forces)

Front

What is a non-contact force?

Back

A force that acts on an object without physical contact, such as gravitational, magnetic, or electric forces.

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Front

Give an example of a non-contact force.

Back

Magnetic attraction between a magnet and a paper clip.

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Front

What particle is transferred to create static electricity?

Back

Electrons.

Front

What happens when two objects have the same electrical charge?

Back

They repel each other.

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What happens when two objects have opposite electrical charges?

Back

They attract each other.

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Front

What is static electricity?

Back

A buildup of electric charge on the surface of an object.

Front

How can a charged object affect a stream of water?

Back

A charged object can attract or repel the water molecules, causing the stream to bend.

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NGSS.MS-PS2-3

Front

What is magnetism?

Back

A force that can attract or repel certain materials, typically metals, due to the alignment of magnetic domains.

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Front

What is the role of electrons in electricity?

Back

Electrons are the particles that carry electric charge and flow through conductors to create electric current.

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Front

What is the difference between conductors and insulators?

Back

Conductors allow electric charge to flow easily, while insulators resist the flow of electric charge.