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electricity

Total questions: 115

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

Materials that electrons do NOT flow through such as cloth, rubber, plastic

a)

conductors

b)

insulators

c)

chargers

d)

electrodes

2.

Materials through which electrons flow easily

a)

conductors

b)

insulators

c)

electrodes

d)

chargers

3.

Which material would be most likely to COLLECT electrons and produce static electricity?

a)

wool

b)

carpet

c)

rubber

4.

Static electricity is...

a)

very dangerous

b)

a sudden, single transfer of electrons

c)

a steady flow of current through a wire

5.

Which insulator would most likely GIVE UP electrons in the process of producing static electrcity?

a)

carpet

b)

rubber balloons

c)

show soles

6.

The positive terminal on a battery is called the

a)

anode

b)

collector

c)

cathode

d)

electrolyte

7.

The negative terminal on a battery is called the

a)

anode

b)

cathode

c)

collector

d)

electrolyte

8.

This is inside a battery & provides a way for electrons to leave it

a)

electrodes

b)

collector

c)

electrolyte

9.

Moving electrons in a stream is better known as

a)

a current flowing through a circuit

b)

the oxidation-reduction process

c)

static electricity discharge

10.

TRUE / FALSE: A battery does not generate electricity, it converts it from chemical potential energy.

a)

TRUE

b)

FALSE

11.

A steady flow of electrons

a)

circuit

b)

current

c)

discharge

d)

oxidation

12.

Who built the first battery?

a)

Sir Humphry Davy

b)

Mrs. Brooks

c)

Alessandro Volta

d)

Luigi Galvani

13.

Who built the mega-battery that was larger than our classroom?

a)

Luigi Galvani

b)

Alessandro Volta

c)

Sir Humphry Davy

14.

Which two elements were electrodes in the "voltaic pile" battery?

a)

sodium and zinc

b)

sodium and potassium

c)

copper and potassium

d)

copper and zinc

15.

A device containing an electric cell (or a series of electric cells) storing energy that can be converted into electric power

a)

capacitor

b)

battery

c)

resisitor

d)

ammeter

16.

A continuous conducting path for current.

a)

electrode

b)

circuit

c)

voltaic pile

d)

axon

17.

The net movement of electrons through a conductor; measured with an ammeter

a)

current

b)

static electricity

c)

electric discharge

18.

A metal plate or rod in a battery that acquires a positive or negative charge

a)

separator

b)

collector

c)

electrode

19.

An instrument, or measuring device, that measures electric current

a)

voltmeter

b)

charger

c)

ammeter

d)

grounder

20.

An ampere is

a)

a unit of resistance

b)

a unit of force

c)

a unit of electric current

21.

all matter is made of  

a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
22.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
23.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
24.
The central region of an atom where its neutrons and protons are is called the
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
25.

Why do electricians always wrap wires in plastic?

a)

Plastic comes in many different colors

b)

Plastic is a good electrical conductor

c)

Plastic makes the wires easy to bend

d)

Plastic is a good electrical insulator

26.

Which of these materials is a good conductor of electricity?

a)

Rubber

b)

Metal

c)

Newspaper

d)

Glass

27.

Which of the following items would conduct electricity?

a)

Aluminum ladder

b)

Metal screwdriver

c)

Wooden baseball bat

d)

Rubber flip flops

28.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

29.

What contribution did Thomas Edison make toward the study of electricity?

a)

He invented the light bulb

b)

He invented a generator that would produce electricity

c)

He discovered the nucleus of an atom

d)

He discovered that lightning is a form of electricity

30.

A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?

a)

Opening the switch broke the circuit

b)

The battery was probably going flat

c)

There was too much electricity flowing

d)

Opening the switch closed the circuit

31.

Many electrical wires are wrapped with a plastic coating because plastic is -

a)

More dense than copper

b)

Able to keep its shape

c)

Less expensive than steel

d)

A good insulator

32.

What force causes two metals to repel or attract?

a)

Friction

b)

Gravity

c)

Magnetism

d)

Electricity

33.

Which contribution toward understanding electricity was made by Michael Faraday?

a)

Created the first electric power generator

b)

Discovered that lightning carried electricity

c)

Concentrated on mass-producing long-lasting light bulbs

d)

Improved the telegraph system

34.

Tasha made this model. In her model the bulb is not lit.


Which of these statements best explains why the bulb is not lit?

a)

The wires are connected to the wrong battery terminals.

b)

The bulb is burned out.

c)

The switch is open.

d)

A wire is missing.

35.

Annie classified some materials as insulators or as conductors. Which of the following materials did she list in the wrong column?

a)

air

b)

glass

c)

rubber

d)

saltwater

36.

Opposite charges _______________.

a)

attract

b)

repel

c)

nothing changes

37.

Like charges _______________.

a)

attract

b)

repel

c)

nothing changes

38.

What electricity component is this?

a)

cell or battery

b)

switch

c)

wires

d)

bulb

39.

What is the use of the batteries in this circuit?

a)

connected all component

b)

turn on or off electricity

c)

supply electricity

40.

Which of these objects use batteries?

a)
b)
c)
d)
41.

Which of these objects use mains electricity?

a)
b)
c)
d)
42.

Which of these objects uses a buzzer?

a)
b)
c)
d)
43.

What is the use of the wires in this circuit?

a)

to turn on or off electricity

b)

connected all components

c)

supply electricity

44.

Which of these electrical components is used to turn on or turn off electricity?

a)
b)
c)
d)
45.

What will you do to make the bulb light on?

a)

add the switch to the circuit

b)

add cells or batteries to the circuit

c)

add more bulbs to the circuit

d)

add more wire to the circuit

46.

What will happen to this light bulb?

a)

The bulb light on

b)

The bulb light off

47.

What will happen to this light bulb?

a)

The bulb light on

b)

The bulb light off

48.

Name an appliance that runs on electricity.

a)

notepad

b)

kettle

c)

pen

d)

headphones

49.

Which of these components would you need to make an electrical circuit?

a)

elephant & tiger

b)

wires & pen

c)

wires, cell & bulb

d)

bulb & paper

50.

Which of these would you NOT find in an electrical circuit?

a)

wire

b)

buzzer

c)

bulb

d)

teddy

51.

A circuit needs to be ________ for the bulb to light.

a)

complete

b)

broken

c)

full of bulbs

d)

wireless

52.

Which component in an electrical circuit makes a sound?

a)

bulb

b)

crocodile clip

c)

buzzer

d)

motor

53.

Which component in an electrical circuit produces movement?

a)

bulb

b)

motor

c)

cell

d)

wire

54.

What component powers an electrical circuit?

a)

bulb

b)

wire

c)

buzzer

d)

cell

55.

What happens which the switch is open?

a)

The bulb will not light.

b)

The bulb will light.

c)

The bulb will be dim.

d)

The bulb will be bright.

56.

Which of these materials is an electrical conductor?

a)

paper

b)

plastic

c)

steel

d)

cardboard

57.

Which of these materials is an electrical insulator?

a)

iron

b)

wood

c)

steel

d)

brass

58.

Which device or devices could be removed without breaking an electric circuit?

a)

only the lightbulb

b)

only the switch

c)

the battery and they switch

d)

the lightbulb and the switch

59.

The shock you sometimes feel when you touch a metal doorknob on a dry day is electric _______.

a)

circuit

b)

current

c)

discharge

d)

resistance

60.

Which of the following is an example of an insulator?

a)

rubber

b)

copper

c)

silver

d)

gold

61.

Which of the following is an example of a conductor?

a)

copper

b)

rubber

c)

glass

d)

plastic

62.

Which of the following is the BEST insulator?

a)

copper

b)

iron

c)

plastic

d)

steel

63.

Which of the following is a circuit that has only ONE path for electricity?

a)

parallel circuit

b)

series circuit

c)

open circuit

d)

closed circuit

64.

Which of the following is a circuit that has MORE than one path for electricity?

a)

parallel circuit

b)

series circuit

c)

open circuit

d)

closed circiut

65.

A closed pathway through which electrons are conducted is called:

a)

electricity

b)

circuit

c)

insulator

d)

conductor

66.

Materials that allow electric current to flow through easily are called:

a)

electricity

b)

circuit

c)

insulator

d)

conductor

67.

A form of energy from moving electrons is called:

a)

electricity

b)

circuit

c)

insulator

d)

conductor

68.

A material that stops current from flowing is called:

a)

electricity

b)

circuit

c)

insulator

d)

conductor

69.

When electrons quickly move, it is called:

a)

conductor

b)

friction

c)

static electricity

d)

electric discharge

70.

When two objects rub against each other, it is called:

a)

conductor

b)

friction

c)

static electricity

d)

electric discharge

71.

The build up of an electric charge on an object is called:

a)

conductor

b)

friction

c)

static electricity

d)

electric discharge

72.

Which of the following is an example of human harnessed electricity?

a)

lightning

b)

electric generator

c)

static electricity

73.

Which of the following is NOT an example of natural electricity?

a)

lightning

b)

static electricity

c)

electric generator

74.

Which of the following is needed to make an electric circuit work? Choose ALL that apply.

a)

switch

b)

lightbulb

c)

wire

d)

battery

e)

plastic block

75.
a)

battery

b)

main electricity

76.

This cleaning machine uses electricity to clean the floor.

a)
b)
c)
77.
a)

make light

b)

make sound

c)

make things move

d)

heat things up

78.

Use a damaged wire.

a)

Yes

b)

No

79.

Don't put your finger in sockets.

a)

Yes

b)

No

80.

You cannot use electronics near water.

a)

Yes

b)

No

81.

Fly kites or climb trees near power lines.

a)

Yes

b)

No

82.

Touch things that uses electronic with metal.

a)

Yes

b)

No

83.

Touch electronical equipment with wet hand.

a)

Yes

b)

No

84.
a)

heat things up

b)

make things move

c)

cool things down

85.
The side of a cube whose surface area is 600 cm2 is____
a)
10 cm
b)
10 cm2
c)
60 cm
d)
6 cm
86.

Choose the correct answer to find the area of a circle

a)

πr2\pi r^2

b)

2πr22\pi r^2

c)

2πr2\pi r

87.

Find the volume of a right circular cylinder if r = 7 cm and h = 14 cm.

a)

1112 cu cm

b)

512 cu cm

c)

1078 cu cm

d)

2156 cu cm

88.
Calculate the volume. 
a)
 90 cm³
b)
150 cm³
c)
180 cm³
89.
Find the volume of the cone. Round your answers to the nearest tenth.
a)
127.3 yd3
b)
347.6 yd3
c)
287.7 yd3
d)
147.7 yd3
90.
Find the volume of this shape
a)
1520.53
b)
276.46
c)
552.93
d)
6082.12
91.
Find the Surface Area
a)
556 cm2
b)
278 cm2
c)
680 cm2
d)
340 cm2
92.

In finding "quantity of water inside a bottle" which of the following can be calculated ?

a)

Volume

b)

Area

c)

Perimeter

d)

None.

93.

The dimensions of a water tank are 5m ×\times  4m ×\times  3m
then it's Volume=___________ cubic meters

a)

60

b)

20

c)

70

d)

50

94.

Area of 4 walls of a room is given by

a)

2h(l+b)2h\left(l+b\right)

b)

2(l+b)2\left(l+b\right)

c)

2(lb+bh+hl)2\left(lb+bh+hl\right)

d)

lbhlbh

95.

What is the total surface area of this figure?

(a)  

96.

Soda is sold in aluminum cans whose area of the base is 30 cm2 and height is 6 cm, how many mili litres of soda will 1 can contain ?

(a)  

97.

Find the Total Surface Area of the cylinder.

(a)  

98.

The total surface area of a cube whose area of the front face is a2 is ————-

a)

4a2

b)

6a2

c)

5a2

d)

3a2

99.

The side of die whose volume is 125 cm3 is

(a)  

100.

What is the difference in volume, in cm3cm^3  , between M and N



(a)  

101.

If the dimensions of a cuboid are 3 cm, 4 cm and 10 cm, then the volume of the cuboid is (a)  

102.

If the radius of a cylinder is 4 cm and height is 10 cm, then the total surface area of a cylinder is:

(a)  

103.

The curved surface area of a right circular cylinder of height 14 cm is 88 sq cm. The diameter of the base is:

(a)  

104.

How many litres of water can be stored in a cylindrical tank having the following dimensions?

(a)  

105.

How many faces does a cuboid have?

a)

12

b)

10

c)

6

d)

8

106.

Which of these is a 3D shape?

a)

Square

b)

Rectangle

c)

Circle

d)

Cube

107.

If a cuboid has length = 5 cm, breadth= 4 cm and height = 3 cm, then its base area is equal to?

a)

12 sq cm

b)

15 sq cm

c)

20 sq cm

d)

60 sq cm

108.

Which faces of cuboid have the same area?

a)

top and bottom

b)

front and back

c)

side faces

d)

all of these

109.

Shape of all the faces of cube are

a)

square

b)

rectangle

c)

trapezium

d)

rhombus

110.

The given net when folded will give us which 3D Shape?

a)

cuboid

b)

cylinder

c)

cube

d)

sphere

111.

The given net when folded will result in which 3D shape

a)

Sphere

b)

Cube

c)

Cuboid

d)

Cylinder

112.

Area of circle is equal to

a)

πr2

b)

2πr

c)

πr3

d)

4πr

113.

Area of parallelogram is equal to

a)

length x breadth

b)

1/2(base)(height)

c)

side x side

d)

base x height

114.

Shape of all faces of cuboid are

a)

squares

b)

rectangles

c)

parallelograms

115.

Perimeter of circle is equal to

a)

πr2

b)

πr

c)

2πr

d)

4πr

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