Magnetic Force 2.1 Quiz

Which of the following best describes each particle?

• Protons are negative, neutrons are neutral, and electrons are positive.

• Protons are neutral, neutrons are positive, and electrons are negative.

• Protons are positive, neutrons are neutral, and electrons are negative.

• Protons are neutral, neutrons are negative, and electrons are positive.

Where are the strongest and weakest parts of the magnetic field shown in the diagram?

• strongest: A, weakest: B

• strongest: A, weakest: D

• strongest: C, weakest: A

• strongest: C, weakest: B

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is an electron?

• A basic property of matter

• A tiny, negatively charged particle

• Not having a positive or a negative charge

• An example of moving electrons

What happens when an atom loses an electron?

• It becomes neutral

• It has an overall positive charge

• It has an overall negative charge

• It becomes an example of moving electrons

What is lightning an example of?

• A basic property of matter

• A tiny, negatively charged particle

• Moving electrons

• A neutral charge

What happens when a proton and an electron come close together?

• They repel each other.

• They create an attraction.

• They remain neutral.

• They explode.

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What determines the strength of an electric force?

• The color of the charges.

• The distance between the charges.

• The size of the charges.

• The temperature of the environment.

Tags

NGSS.MS-PS2-3

What is an electric field?

• A region where magnetic forces are exerted.

• A region around a charged object where electric force is exerted.

• A region where gravitational forces are exerted.

• A region where nuclear forces are exerted.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How do field lines behave around a positively charged object?

• They point toward the object.

• They point away from the object.

• They form a circle around the object.

• They disappear.

What is a magnet?

• A material that repels all metals.

• A material that attracts iron and materials containing iron.

• A material that only attracts wood.

• A material that attracts water.