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Energy

Total questions: 93

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

2.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

3.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

4.

What is given off from energy?

a)

water

b)

heat

c)

smoke

d)

ash

5.

Which of these is an example of kinetic energy?

a)

a bicycle

b)

a battery

c)

a solar panel

d)

firewood

6.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

7.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

8.

What type of energy is elastic energy?

a)

Kinetic Energy

b)

Potential Energy

c)

Chemical Energy

d)

Mechanical Energy

9.

Which of the following shows an example of Potential Energy?

a)

A football flying through the air

b)

Two kids high-fiving

c)

A rock sitting on top of a high ledge

d)

A flashlight shining brightly

10.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

11.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

12.

Identify the type of energy

a)

Thermal energy

b)

Mechanical energy

c)

Sound energy

d)

Electrical energy

13.

When energy changes from one form to another, we call it a _______________.

a)

transformation

b)

creation

c)

expiration

d)

compilation

14.

The picture shows what type of transformation

a)

Electrical to mechanical

b)

light to electric

c)

electrical to light

d)

light to light

15.

The heat transfer as particles vibrate and bounce into one another is:

a)

radiation

b)

convection

c)

conduction

d)

temperature

16.

Dark colours absorb more radiant heat

a)

True

b)

False

17.

Which unit do we measure energy in?

a)

Newtons

b)

Kilograms

c)

Joules

d)

Watts

18.

Energy cannot be created or destroyed.

a)

True

b)

False

19.

What is nuclear energy?

a)

Energy in the nucleus of an atom

b)

Energy in the particles of an object

c)

Energy that is carried by electromagnetic waves

d)

Energy in a system of objects

20.

During a science experiment, Mia and William observed that a pendulum's energy changes form but is never lost. What does the Law of Conservation of Energy state?

a)

Energy can be created and destroyed

b)

Energy can only be created

c)

Energy cannot be created or destroyed, only transformed

d)

Energy can only be destroyed

21.

During a science experiment, Liam and Charlotte noticed that a metal rod became hot when one end was placed in a flame. What is the transfer of heat through direct contact between objects called?

a)

Convection

b)

Radiation

c)

Conduction

d)

Energy Transfer

22.

During a science experiment, Abigail and Rohan observed the transfer of heat through the movement of water in a pot. What is this process called?

a)

Conduction

b)

Radiation

c)

Energy Transformation

d)

Convection

23.

Avery and Emma are sitting around a campfire. They feel warmth from the fire even though they are not touching it. What is the transfer of energy through electromagnetic waves called?

a)

Conduction

b)

Radiation

c)

Convection

d)

Energy Transfer

24.

Hannah and Ethan are discussing their new appliances. What does energy efficiency refer to?

a)

The amount of energy produced by a device

b)

How well energy is used for the intended purpose

c)

The speed at which energy is consumed

d)

The cost of energy

25.

During a science experiment, Ava and Samuel were testing different materials to see which one is an insulator. Which of the following is an example of an insulator?

a)

Metal

b)

Rubber

c)

Water

d)

Copper

26.

There is the same amount of energy today as when the world began.

a)

True

b)

False

27.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
28.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
29.
Which items would have this energy transformation: electrical energy -> thermal energy and light energy?
a)
toaster
b)
candle burning
c)
windmill turning
d)
Iron for your clothes
30.

Which items would have this energy transformation: mechanical energy -> sound energy?

a)

turning on a flashlight

b)

nuclear power plant

c)

wind turbine turning

d)

playing a violin

31.

which are the types of potential energy?

a)

Gravitational

b)

Elastic

c)

Chemical

d)

Heat

32.

Which are the types of kinetic energy?

a)

Heat

b)

Light

c)

Electrical

d)

Gravitational

33.

Objects can have more than one type of energy?

a)

True

b)

False

34.

Conduction is the transfer of heat energy through?

a)

Solids

b)

Liquids

c)

Gases

d)

Air

35.

Convection is the transfer of heat energy through

a)

Solids

b)

Liquids

c)

Gases

d)

Liquids and Gases

36.

What do insulators do?

a)

A material that speed up the transfer of energy

b)

A material that slow down the transfer of energy

c)

A material that allows energy to move through easily

37.

What is a conductor?

a)

A material that speeds up the movement of energy

b)

A material that slows down the movement of energy

c)

A material that allows energy to move through easily

38.

This is an example of a?

a)

Series Circuit

b)

Parallel Circuit

39.

Electricity is the flow of energy

a)

True

b)

False

40.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
41.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
42.

What does this diagram show?

a)

Heat and sound are useful energy

b)

Elastic is the useful energy

c)

Sound and heat are wasted energies

d)

Kinetic energy is the initial energy

43.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

44.

Identify the energy transfer

a)

chemical to light

b)

thermal to electrical

c)

chemical to heat

d)

electrical to thermal

45.

Plants need the sun for _____________________ energy.

a)

Light / Radiant

b)

Sound

c)

Chemical

d)

Electrical

46.

What type of energy transformation happens in hydro-electric power?

a)

kinetic to potential

b)

sound to mechanical

c)

chemical to electrical

d)

mechanical to electrical

47.

List the energy transformations of this object.

a)

Electrical → Mechanical/ Radiant Energy

b)

Electrical → Mechanical / Sound / Thermal Energy

c)

Mechanical → Chemical / Thermal energy

d)

Mechanical→ Electrical energy

48.
The process by which carbon dioxide and water are converted into glucose(sugar) by plants, algae, and certain bacteria; uses sunlight energy to produce nutrients
a)
Respiration 
b)
Conservation 
c)
Photosynthesis 
49.
Light travels in ___________________
a)
waves
b)
sound
c)
packs
d)
thunder
50.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
the single cell is not powerful enough
c)
there is a break in the circuit
d)
there is a short crcuit
51.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
52.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
53.

What is an electrical circuit?

a)

A path or line through which an electrical current flows

b)

A circle

c)

A type of game

d)

A conductor

54.

What type of circuit is this?

a)

Open

b)

Closed

c)

Short

d)

Long

55.

Wood is an electrical conductor

a)

True

b)

False

56.
a)

bulb

b)

parallel

c)

wire

d)

switch

57.
a)

open

b)

bulb

c)

wire

d)

switch

58.
a)

bulb

b)

buzzer

c)

wire

d)

battery

59.

In order for electricity to flow through a circuit, the circuit must be a closed, complete:

a)

Path, so that the electricity can make a complete circle.

b)

Donut, because circuits get hungry.

c)

Wire, made out of rubber.

d)

Solar panel, because circuits only work with the sun.

60.

The circuit on the left is not complete (the light is off) because:

a)

the switch is closed

b)

the switch is open

c)

the battery is missing

d)

the battery is in backwards

61.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

62.

A ____________circuit only has one pathway for the electrical current to flow through.

a)

series

b)

complete

c)

parallel

d)

incomplete

63.

A ____________ circuit has more than one pathway for the electrical current to pass through.

a)

series

b)

complete

c)

parallel

d)

incomplete

64.

What does this symbol stand for?

a)

Switch closed

b)

Resistor

c)

Fuse

d)

Switch open

65.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
66.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
67.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
 can still light up
c)
 will go out
d)
of the light bulbs burn out also
68.

Which circuit will not work?

a)

A

b)

B

c)

C

d)

D

69.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
70.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
71.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
72.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
73.

Why is electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

74.

"A very small subatomic particle with negative charge" refers to?

a)

Electrical

b)

Electricity

c)

Electron

d)

Electro

75.

"A device used to measure electrical current" refers to?

a)

Ammeter

b)

Voltmeter

c)

Electrical Energy

d)

Electrical Current

76.

What symbol is this for?

a)

Open switch

b)

Battery

c)

Closed switch

d)

Wires

77.

What is this symbol for?

a)

Voltmeter

b)

Battery

c)

Fuse

d)

Resistor

78.

Are these following components required to create a basic simple circuit?: Power source, wires, load and switch.

a)
True
b)
False
79.

Which of the following are 'Loads' in a circuit?

a)

Electric Motor

b)

Wires

c)

Light bulb

d)

Switch

80.

What is the best definition of a Power Source in a circuit?

a)

A Power Source is something that stops electricity from flowing too fast.

b)

The Power Source is a wire that helps electricity travel around the circuit.

c)

A Power Source is something that provides the electrical energy needed to make the circuit work.

d)

A Power Source is the part of the circuit that lights up when electricity flows.

81.

The Switch in a circuit lets you control whether the electricity flows or not.

a)
True
b)
False
82.

The wires in a circuit are like the roads, they carry the electrical energy from the power source to the other parts of the circuit and back again.

a)
True
b)
False
83.

What symbol is this for?

a)

Ammeter

b)

Wires

c)

Light bulb

d)

Switch

84.

What symbol is this for?

a)

Battery

b)

Fuse

c)

A cell

d)

Wires

85.

What symbol is this for?

a)

Battery

b)

Light bulb

c)

Wires

d)

Ammeter

86.

On most Christmas lights, when one bulb goes out, the other bulbs on that string of lights will also go out. This is an example of a _________________ circuit.

a)

simple

b)

parallel

c)

series

d)

closed

87.

Metal is __________________ because it allows heat and electricity to flow through.

a)

magnetic

b)

a conductor

c)

an insulator

d)

a circuit

88.

What type of circuit is shown?

a)

Parallel

b)

Series

c)

Open

89.

Select all statements that are true.

a)

It is a symbol for an ammeter.

b)

Ammeter measures current in a circuit.

c)

It is a symbol for a lamp.

d)

Ammeter measures mass of a circuit.

90.

Why is tungsten used as a filament in light bulbs?

a)

Because it can cause electrical energy to change to heat and light.

b)

Because intense temperature makes the filament glow brightly.

c)

Because it has very high meting point.

d)

All of the answers.

91.

Select those which show the switch is open.

a)
b)
c)
d)
e)
92.

Mohammed connects two bulbs, a cell and a switch as shown in the picture. What will happen if he connects another bulb in the series circuit?

a)

The bulbs will glow brighter.

b)

The current in the circuit will increase.

c)

The bulbs will glow dimmer.

d)

The current will stay the same.

e)

The current in the circuit will decrease.

93.

Maria builds a circuit with a cell and a bulb. She connects another bulb to it in a parallel circuit. What will happen to the brightness of the bulb?

a)

The brightness of each bulb will decrease.

b)

The brightness of each bulb will increase.

c)

The brightness of each bulb will remain the same as the first bulb when it was connected alone in a series circuit.

d)

The bulbs will catch fire.

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