methods of charging - Assessment

1.

Multiple Choice

30 sec

1 pt

What do you call the process of charging a conductor by bringing it near another charged object?

induction

polarization

neutralization

conduction

2.

Multiple Choice

30 sec

1 pt

When you charge a balloon by rubbing it on your hair this is an example of what method of charging?

Friction

Conduction

Grounding

Induction

3.

Multiple Choice

30 sec

1 pt

The negatively charged balloon is brought near the two cans. What happens?

The negative charges in Can B move towards the balloon

The negative charges in Can A move away from the balloon

The positive charges in Can B move towards the balloon

The positive charges in Can A move away from the balloon

4.

Multiple Choice

30 sec

1 pt

Neutral atoms contain equal numbers of positive __ and negative __.

Electrons and Protons

Protons and Electrons

Neutrons and Electrons

Protons and Neutrons

5.

Multiple Choice

30 sec

1 pt

___ are good conductors because they have loose electrons.

copper

aluminum

metals

all of the above

6.

Multiple Choice

30 sec

1 pt

Materials through which electrons move easily__.

insulator

conductor

7.

Multiple Choice

30 sec

1 pt

Transferring a charge without touching is ___

conduction

induction

grounding

Newtons 3rd law

8.

Multiple Choice

30 sec

1 pt

Which particle in an atom can you physically manipulate?

protons

electrons

neutrons

you can't manipulate any particle in an atom

9.

Multiple Choice

30 sec

1 pt

In a neutral atom ___.

protons = neutrons

electrons = neutrons

protons = electrons

neutrons = protons = electrons

10.

Multiple Choice

1 min

1 pt

If a negatively charged rod touches a conductor, the conductor will be charged by what method?

Friction

Conduction

Induction

Convection

11.

Multiple Choice

45 sec

1 pt

The process of transferring charge between objects by touching or rubbing

charging by induction

static discharge

charging by contact

proton

12.

Multiple Choice

2 mins

1 pt

A negatively charged rod is touched to the top of an electroscope

A

B

C

D

13.

Multiple Choice

30 sec

1 pt

Charging by contact results in both objects having the same charge.

True

False

14.

Multiple Choice

1 min

1 pt

Charging by Friction results in two objects with the same charge.

True

False

15.

Multiple Choice

30 sec

1 pt

Which of these is the best definition of polarization?

The object gains a positive or negative charge from another object.

The charges in a neutral object separate due to a nearby charged object.

Charges on a neutral object jump off onto a charged object due to attraction of opposite charges.

Two objects attract each other because they are both charged.

16.

Multiple Choice

1 min

1 pt

A charged balloon is brought near an electroscope but DOES NOT touch the electroscope. This is an example of charging by

Conduction

Convection

Friction

Induction

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