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Worksheets

Homework 8.5 & 8.6

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Electric current is the rate of flow of electric charges, what units are used to electric current?

a)

direct

b)

alternating

c)

voltage/volts

d)

amperes/amps

2.

Which type of current always goes in ONE direction?

a)

direct current

b)

alternating current

c)

musical current

3.

What effects electric current?

a)

voltage only

b)

resistance only

c)

ampere only

d)

both voltage and resistance

4.

Click ALL the factors below that affect electrical resistance.

a)

wire thickness

b)

wire length

c)

wire temperature

d)

wire material or composition

5.

Click only 3 parts that are a MUST to make a working electric circuit.

a)

energy source

b)

switch

c)

electric conductor

d)

load

6.

The picture represents what on a circuit diagram?

a)

switch

b)

load

c)

wire

d)

energy source

7.

How does a current most efficiently stop and start?

a)

unplug the power source

b)

a switch opens and closes the system

c)

remove the load

d)

add another load to the circuit

8.

Does this represent a series or parallel circuit?

a)

series

b)

parallel

c)

This circuit will not work.

9.

Does this represent a series or parallel circuit?

a)

series

b)

parallel

c)

This circuit will not work.

10.

Click ALL the ways to use electricity safely.

a)

avoiding exposure to current

b)

using electrical safety devices

c)

taking precautions during a lightning storm

d)

touching an electric fence