NGSS.MS-PS2-3

Where is the force of attraction the strongest on a magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

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NGSS.MS-PS2-3

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

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NGSS.MS-PS2-3

Which way will the magnets move after they are released?

• Towards each other
• Away from each other
• Not enough information

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NGSS.MS-PS2-3

Jason places a bar magnet on a flat surface and covers it with a sheet of paper. Then he evenly sprinkles a layer of iron filings on top of the paper. Which of the following diagrams indicates the most likely arrangement of the filings on the paper?

• Figure A

• Figure B

• Figure C

• Figure D

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NGSS.MS-PS2-3

A circuit is....

• a pathway for the flow of magnetism

• a pathway for the flow of electricity

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The Affect of Electric fields surrounding particles become stronger the _______________ they are from each other.

• Farther

• Closer

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Look at the set of objects to the right. We could

increase the electric force between Object A and

Object B by each of the following EXCEPT:

• Pushing them farther apart.

• Increasing the difference between their charges.

• Moving them closer together.

• Adding lots of negative charges to Object A.

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NGSS.MS-PS2-3

The picture shows a comb that was used on a cold, dry day. Which of the following is the best

explanation of why some of the paper bits were attracted to the combs while others were not.

• Protons moved more easily in the paper that was attracted to the comb.

• Electric force gets weaker the farther away objects are from each other.

• Some paper had iron in it and some didn’t.

• Magnetic force gets weaker the farther away objects are from each other.

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NGSS.MS-PS2-3

During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –

• positive

• negative

• neutral

• none of these

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The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.

• opposite

• like

• positive

• negative

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NGSS.MS-PS2-3