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Charge & Electric Force

Total questions: 8

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following describe 'charge' correctly?

(check all the correct answer choices)

a)

Charge is a basic property of all matter

b)

Charge and mass are really the same thing.

c)

Charge exists only in objects big enough to see.

d)

Charge exists in 3 particles: protons, neutrons, and electrons.

e)

Charged objects exert a force on each other called the electric force.

2.

In this picture of an atom the red particles represent

a)

Protons

b)

Neutrons

c)

Electrons

d)

Polygons

3.

In this picture of an atom the blue particles represent:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Paragons

4.

In this picture of an atom the yellow particles represent:

a)

Protons

b)

Neutrons

c)

Electrons

d)

Morons

5.

In the picture two charged objects are attracted towards each other. The left object is a positive (+) charge; the right object must be:

a)

a positive charge

b)

a negative charge

c)

uncharged

d)

either positive or negative, we can't tell

6.

Coulomb's Law describes the electric force between charges.  Fe=k×q1q2d2F_e=k\times\frac{q_1\cdot q_2}{d^2}  
Check all the correct responses below

a)

The force will increase if either of the charges increases

b)

The force will increase if the distance between  them increases.

c)

The letter k represents a physical constant doesn't change.

d)

 q1 and q2 q_{1\ }and\ q_2\   represent the amount of mass in each charge.

7.

A material that allows charges to move through it easily is called a ______.

a)

conductor

b)

insulator

c)

semiconductor

d)

solid

8.

Check the materials below that are NOT good conductors

a)

copper

b)

wood

c)

silver

d)

rubber

e)

stone