Quiz about Standard PS2-3,2-5 (electric and magnetic forces)

Question 1

Which statement is true?

Accepted Answer

All Magnets have a North and South Pole

Answer

All magnets can attract large objects

Answer

Magnets can not pull through Solids.

Answer

All Magnets have the Same shape and Size

Question 2

Which of these materials will a Magnet Attract?

Accepted Answer

Iron

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 3

The South end of a Magnet will...

Accepted Answer

Repel to the South end of another Magnet

Answer

Repel to a Copper Nail

Answer

Repel to the North End of another Magnet

Question 4

Looking at the drawing. If you tried to move these 2 magnets closer together, what would you feel?

Accepted Answer

Pull Closer together

Answer

Push Away

Answer

No Force

Answer

Let the Force be with YOU

Question 5

Which part of the Magnet is Strongest?

Accepted Answer

Poles

Answer

Center

Answer

Sides

Question 6

Two north poles will attract.

Accepted Answer

Option B is correct

Answer

A.

Question 7

A north pole and a south pole will attract.

Accepted Answer

Option A is correct

Answer

B.

Question 8

What would we call a nail that can pick up a paperclip because it is touching a magnet?

Accepted Answer

temporary magnet

Answer

poles

Answer

force

Answer

detector

Question 9

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 10

When two magnets repel each other which poles are facing each other from the options below?

Accepted Answer

North and North

Answer

North and South

Answer

South and North

Answer

Positive and Negative

Question 11

When is an object negatively charged?

Accepted Answer

When it gains electrons

Answer

When it gains protons

Answer

When it loses electrons

Answer

When it has more neutrons

Question 12

What happens to the magnetic force as an object gets further away from the magnetic field?

Accepted Answer

The force decreases

Answer

The force increases

Answer

The force stays the same

Answer

There was no force to begin with

Question 13

Which is an example of a conductor?

Accepted Answer

Copper

Answer

Glass

Answer

Plastic

Answer

Wood

Question 14

What is an insulator?

Accepted Answer

A material that DOES NOT allow electric current to flow

Answer

A material that DOES allow electric current to flow

Question 15

What is static electricity?

Accepted Answer

The buildup of electric charges on an object

Answer

The buildup of neutrons

Answer

Electricity flowing through a current

Answer

Particles staying still

Question 16

How is electricity a force?

Accepted Answer

Electrons are pushed through a circuit

Answer

It is not a force

Answer

Protons are pushed through a circuit

Answer

Neutrons are pushed through a circuit

Question 17

How do you increase the strength of an electromagnet?

Accepted Answer

Increase the electric current and increase the number of coils

Answer

Decrease the number of batteries and increase the number of coils

Answer

Increase the electric current and decrease the batteries

Answer

You cannot strengthen an electromagnet

Question 18

How are electromagnets different from regular magnets?

Accepted Answer

All choices are correct

Answer

Their strength can be changed

Answer

They can be turned on and off

Answer

Their polarity can be reversed

Question 19

What will happen to the other bulbs in the circuit if one bulb goes out?

Accepted Answer

The other bulbs will go out

Answer

The other bulbs will get brighter

Answer

The other bulbs will get dimmer

Answer

They will flash on and off

Question 20

What will happen when a light bulb is removed from the circuit below?

Accepted Answer

The brightness of the remaining bulbs will not change

Answer

The remaining bulbs will go out

Answer

The remaining bulbs will brighten

Answer

The remaining bulbs will dim

Question 21

Which magnet would be aligned correctly on this picture of Earth?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

none of these

Question 22

So this means that the North Pole is really the "Southern" end of the magnet of Earth?

Accepted Answer

Option A is correct

Answer

B.

Question 23

How do these desk toys work when nothing is touching?

Accepted Answer

like magnetic fields are still exerting similar forces

Answer

opposite magnetic fields are attracting the object

Answer

no forces are at work because there is no contact

Answer

the objects float because there are like and unlike forces acting on each other

Question 24

If you were testing out an electromagnet, which of the following variables would you change to see an increase or decrease in strength?

Accepted Answer

size of battery

Accepted Answer

number of coils

Accepted Answer

length of wire

Answer

none of these

Question 25

Which of these bolts will create the strongest electromagnet?

Accepted Answer

200

Answer

50

Answer

100

Answer

150

Question 26

What variable from this picture would be your independent variable?

Accepted Answer

number of coils

Answer

bolt metal

Answer

bolt length/size

Answer

type of wire

Question 27

What would NOT be the independent variable of an electromagnet experiment using these items?

Accepted Answer

number of batteries

Accepted Answer

number of nails

Accepted Answer

number of wires

Answer

number of coils

Question 28

What would be the control in this experiment?

Accepted Answer

number of batteries

Answer

number of coils

Answer

number of nails

Answer

none of these

Question 29

Is the "length of wire" noted anywhere that it will have any effect on an electromagnet experiment such as this one?

Accepted Answer

Option B is correct

Answer

A.

Question 30

What would be the correct relationship between number of coils to the number of paper clips picked up by an electromagnet?

Accepted Answer

directly related - more coils picks up more paper clips

Answer

indirectly related - more coils picks up less paper clips

Answer

no relationship

Question 31

More coils of wire will produce a stronger magnetic force, which also means a stronger magnetic field.

Accepted Answer

Option A is correct

Answer

B.

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