SOL review: Magnetism & electricity/force & motion

A comb is rubbed with a piece of wool fabric and placed next to some scraps of paper. The paper moves toward the comb. The movement of the paper is caused by -

• chemical energy

• magnetic attraction

• mechanical energy

• static electricity

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NGSS.MS-PS2-5

Which of these materials is a good conductor of electricity?

• Rubber

• Glass

• Newspaper

• Metal

Which of these is a good insulator?

• Aluminum nail

• Copper nail

• Aluminum can

• Wood

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NGSS.MS-PS3-3

The magnetic fields of any magnet are greatest -

• In the center of the magnet

• Only at the north pole

• Only at the south pole

• At both poles

Many electrical wires are wrapped with a plastic coating because plastic is —

• Cheaper than metal

• A good insulator

• Able to keep its shape

• More dense than copper

When in operation, this tool transforms electrical energy mostly into -

• Chemical energy

• Radiant energy

• Thermal energy

• Mechanical energy

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NGSS.MS-PS3-3

At which point is the magnetic field the weakest?

• 1

• 2

• 3

• 4

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which form of energy is being used by the toaster?

• Solar

• Electrical

• Chemical

• Potential

A class prepared some electric circuits using a battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?

• 
• 
• 
• 

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-5

Which form of energy is best shown in this picture?

• Chemical

• Solar

• Nuclear

• Mechanical

Tags

NGSS.MS-PS3-1