Magnets revision quiz

Janet set up three bar magnets as shown in the diagram below. She brought two compasses towards the ends of the two bar magnets as shown in the diagram below.

• 1

• 2

• 3

• 4

The diagram below shows electromagnet A.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS2-3

The diagram below shows a separation machine used in a factory.

• 1

• 2

• 3

• 4

Sami used the set-up below to attract iron pins.

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

William set up a circuit as shown below. He wanted the bulb in the circuit to switch on and off on its own after he had turned on the switch.

• A only

• B only

• C only

• A and B only

Similar rods of different materials were placed near a bar magnet as shown below.

Which one of the following statements is correct?

• C can attract D.

• A, B and C are magnetic materials.

• B and D can be made into magnets.

• A and C are poor conductors of heat.

Tags

NGSS.MS-PS2-3

Several magnets are attracted to one another as shown in the following diagram. N represents the north-seeking pole and S represents the south-seeking-pole.

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• 2

• 3

• 4

Tags

NGSS.MS-PS2-3

The diagram below shows a toy see-saw with two identical toy bears. The toy bears move up and down continuously after a downward force is applied to toy bear A.

Which of the following correctly explains why the toy bears move up and down to the above position?

• Like poles of magnets W, X, Y and Z are facing each other.

• Unlike poles of magnets W, X, Y and Z are facing each other.

• W and Z are magnetic objects that are attracted by magnets X and Y.

• X and Y are magnetic objects that are attracted by magnets W and Z.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

NGSS.3-PS2-3

Dasimah set up an experiment as shown in the diagram below. She measured the

angle x to which the steel paper clip moved from the vertical position.

• A and B only

• B and D only

• C and D only

• A and C only

Tags

NGSS.MS-PS2-2

Two magnets A and B were placed close to each other as shown below.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-3

NGSS.MS-PS2-5