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Mixed light and electricity

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What is your name?

4 lines
2.

How many terminals are there in a cell?

a)

4

b)

2

c)

1

3.

Appliance that draws electricity from mains.

a)

Phone charger

b)

Refrigerator

c)

tubelight

4.

We need to follow safety ___________________ when using electricity or else you could suffer electric shocks.

a)

methods

b)

booklets

c)

precautions

d)

pylons

5.

True / False -- You can put anything such as a fork into electric sockets.

a)

True

b)

False

6.

Look and identify the power station shown in the picture.

a)

hydroelectric

b)

fossil-fueled

c)

wind

d)

geothernal

7.

Our electricity produced from power stations is carried through cables, _________________ and power poles across our country to our homes, factories and schools.

a)

air transports

b)

trains

c)

bus drivers

d)

pylons

8.

Always ________________ electrical appliances when not using them.

a)

turn off

b)

turn on

c)

destroy

d)

replace

9.

When electricity passes through a light bulb it is changed to _______________________.

a)

motion energy

b)

light energy

c)

static electricity

d)

magnetic energy

10.

Which of these is the best example of electric energy being transformed into heat energy?

a)

lamp

b)

fan

c)

telephone

d)

toaster

11.

Which is the best example of electrical energy being transformed into the energy of motion?

a)

computer screen

b)

digital clock

c)

stove

d)

fan

12.

The flow of electricity is an _____________________.

a)

battery

b)

resistor

c)

electric current

13.

______________ are materials that electrical current cannot pass through.

a)

resistors

b)

circuits

c)

conductors

d)

insulators

14.

A complete pathway for the flow of electricity is called a ________________.

a)

circuit

b)

series

c)

parallel

d)

current

15.

_______________ are materials that electrical current can pass easily through.

a)

resistors

b)

circuits

c)

conductors

d)

insulators

16.

A ______________ is sometimes added to a circuit, it opens and closes a circuit to turn resistors on and off.

a)

battery

b)

resistor

c)

current

d)

switch

17.

When a circuit is ______________, it is complete and there is no break in the path that the charges must follow.

a)

open

b)

closed

c)

series

d)

paralell

18.

When a circuit is ____________ it is incomplete and charges can't flow through.

a)

open

b)

closed

c)

series

d)

parallel

19.
The circuit  lights the light bulb. What is the purpose of the switch in the circuit?
a)
to push the electric current
b)
to open and close the circuit
c)
to insulate the circuit
d)
to make the electricity
20.
Things make shadows because they ______ light.
a)
BLOCK
b)
PASS