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Energy transformation and Transfer

Total questions: 87

Worksheet time: 51mins

Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
3.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
4.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
5.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
6.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
7.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
8.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
9.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
10.
Which is a renewable source of energy?
a)
coal
b)
uranium
c)
ocean tides
d)
natural gas
11.
Which is a renewable source of energy?
a)
oil
b)
nuclear
c)
wind
d)
natural gas
12.
The picture shows sunlight shining on solar panels. 
Which statement best describes this energy source?
a)
Sunlight is a renewable energy source used to produce hydropower.
b)
Sunlight is a nonrenewable energy source used to produce nuclear power.
c)
Sunlight is a renewable energy source used to produce electricity.
d)
Sunlight is a nonrenewable energy source used to produce natural gas.
13.
There is the same amount of energy today as when the world began.
 
a)
True
b)
False
14.
A windmill is a renewable energy source
a)
True
b)
False
15.
Coal, oil, and natural gas are all are renewable energy sources.
a)
True
b)
False
16.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

17.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
18.

When a car burns gasoline it creates hot air to move the pistons in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?

a)

thermal energy to mechanical energy

b)

thermal energy to chemical energy to mechanical energy

c)

chemical energy to thermal energy to mechanical energy

d)

chemical energy to electrical energy

19.

A solar power plant converts _____________ to ____________.

a)

Electrical energy to solar energy

b)

radiant energy to electrical energy

c)

chemical energy to electrical energy

d)

mechanical energy to thermal energy

20.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
21.

Select all of the following that are true.

a)

Energy can be transferred and transformed.

b)

There are three types of energy.

c)

Energy just disappears sometimes.

d)

Electrical energy can be transformed into mechanical energy.

22.

What sort of energy transformation is this?

a)

Chemical to Thermal

b)

Thermal to chemical

c)

Kinetic to potential

d)

Open to closed

23.

When gasoline burns to move a car, which of the following transformations take place?

a)

Chemical to Thermal

b)

Chemical to Mechanical

c)

Potential to Kinetic

d)

Mechanical to sound

e)

Thermal to chemical

24.

When you drop a basketball it does not bounce back all the way. This is because some of the mechanical energy is 'lost' when it transforms into which of the following ?

a)

Sound

b)

Chemical

c)

Radiant

d)

Hamster

25.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

26.

Energy used to heat a frying pan would be which of the following?

a)

Nuclear Energy

b)

Thermal Energy

c)

Mechanical Energy

d)

Kinetic Energy

27.

A roller coaster going down a hill is seeing a drop in ________ energy and a gain in _________ energy.

a)

Mechanical / Thermal

b)

Kinetic / Potential

c)

Potential / Kinetic

d)

Electrical / Sound

28.

Which is the type of energy used when burning gasoline?

a)

Magnetic

b)

Electrical

c)

Nuclear

d)

Chemical

29.

A student walks into a classroom and turns on the light switch which causes the light bulb to turn on. The bulb turns ______ energy into ______ energy

a)

Magnetic / Thermal

b)

Light / Electrical

c)

Eletrical / Light

d)

Light / Thermal

30.

What term fits the following statement? Energy cannot be created or destroyed.

a)

Law of Conservation of energy

b)

Newton's Second Law

c)

Law of conservation of momentum

d)

Law of conservation of motion

31.

Batteries convert _________ energy to ___________ energy

a)

Electrical / Chemical

b)

Chemical / Nuclear

c)

Electrical / Magnetic

d)

Chemical / Electrical

32.

Which two points on the Newton's Cradle Demonstrate the most potential energy?

a)

1 and 3

b)

2 and 4

c)

1 and 5

d)

3 and 5

33.

Which point on the Newton's Cradle demonstrates the most kinetic energy?

a)

1

b)

2

c)

3

d)

4

e)

5

34.

Which point on the Roller Coasters path does the cart have the least potential energy?

a)

W

b)

X

c)

Y

d)

Z

35.

Which two points on the track have more potential energy than kinetic energy?

a)

W

b)

X

c)

Y

d)

Z

36.

The chemical energy of a battery is converted to heat and light energy in a flashlight. Which of the following best explains the CONSERVATION of energy

a)

The switch of the flashlight allows energy to flow

b)

the heat and light energy are equal to chemical energy

c)

the wires carry electrical energy from the battery to the bulb

d)

after hours of use, the batteries will lose their energy

37.

When water turns a turbine connected to a generator, electricity is produced. This electricity lights homes and offices. Which of the following shows, in order, the energy transformations that occur?

a)

Chemical ---> Mechanical ---> Electrical

b)

Electrical ---> Light ---> Mechanical

c)

Mechanical ---> Electrical ---> Light

d)

Mechanical ---> Chemical ---> Light

38.

Thermal energy __________ the motion of molecules in a system

a)

Increases

b)

Decreases

c)

Stops

39.

What type of energy conversion occurs in a desktop fan?

a)

Electrical to Light

b)

Light to Electrical

c)

Electrical to Mechanical

d)

Mechanical to Heat

40.

Which of these examples best shows a change from potential to kinetic energy?

a)

Water flowing over a tall cliff

b)

A metal spring being stretched out

c)

Electricity making a bulb light up

d)

A stone lying on top of a mountain

41.

What energy transformation occurs when an alarm clock rings?

a)

electrical to mechanical, sound

b)

chemical to mechanical,sound

c)

electrical to thermal, chemical

d)

mechanical to mechanical, thermal, sound

42.

What are the energy transformations that occur when a person rides a bike to the top of a hill?

a)

mechanical, thermal,

b)

chemical, mechanical, thermal, electrical

c)

chemical, mechanical, thermal, electrical, radiant

d)

chemical, mechanical, thermal

43.

Is the energy in a battery, chemical or electrical (Not connected to any devices)?

a)

electrical

b)

neither

c)

chemical

d)

both

44.

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

45.

What energy transformations does fire have?

a)

Thermal→ Sound Energy

b)

Thermal→ Radiant energy

c)

Chemical → Thermal energy

d)

Chemical→ Sound energy

46.

What is the unit for kinetic and potential energy?

a)

Meters

b)

Kilograms

c)

Watts

d)

Joules

47.

A 4 kg ball sits at the top of a ramp 5m high. Find the PE of the ball at the bottom of the ramp.

a)

200 Watts

b)

50 Joules

c)

50 m/s

d)

200 Joules

48.

What energy transformations occur when a human eats a Big Mac?

a)

Convection

b)

Thermal Energy

c)

Kinetic Energy

d)

Chemical Energy

49.

How is thermal energy a product when you connect the hair straightener to an electric plug?

a)

When you plug in the hair straightener to electric plug it’s already composed with thermal energy

b)

Hair straighteners don’t have thermal energy

c)

When you plug in the hair straightener to the electric plug it transfers it’s electric energy to thermal energy that you can use to straighten your hair

d)

Hair Straighteners when plugged into an electric plug it turns into mechanical energy

50.

After the person eating, he went on a run. What's the energy transformation that's happening?

a)

mechanical→ thermal energy

b)

Chemical→ Mechanical energy

c)

radiation→ chemical

d)

chemical→ radiation energy

51.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
52.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
53.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

54.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
thermal
d)
mechanical
55.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
56.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
57.
Which of the following devices transforms electrical energy into mechanical energy?
a)
An e-reader
b)
a fan
c)
a manual pencil sharpener
d)
ipod
58.
Electrical -> Mechanical -> Sound 
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
59.

A solar calculator has to have light in order to work. What does the radiant light energy transform into?

a)

Radiant

b)

Mechanical

c)

Potential

d)

Chemical because of the battery.

60.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
61.

The kind of thermal energy transfer that travels through space in electromagnetic waves is ______________________.

a)

insulation.

b)

Radiation

c)

Conduction

d)

Convection

62.

The type of thermal energy transfer that happens through direct contact of molecules or particles with each other is ___________________.

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

63.

___________________ is the type of thermal energy transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

64.

Which is the best surface for reflecting thermal radiation?

a)

Shiny white

b)

Dull white

c)

Shiny black

d)

Dull black

65.

Which is the best surface for absorbing thermal radiation?

a)

Shiny white

b)

Dull white

c)

Shiny black

d)

Dull black

66.

Why are fur and feather good at reducing thermal energy transfer?

a)

They are soft

b)

They have layers that trap air

c)

They are made of non-metals

d)

They are from animals

67.

Thermal flasks, used to keep drinks warm, and double glazed windows contain a vacuum chamber. Why is this?

a)

To keep things clean

b)

To prevent contamination

c)

To reduce thermal energy loss via radiation

d)

To reduce energy loss via conduction and convection

68.

Why does warm fluid rise?

a)

Particles lose energy, they move closer together, density increase

b)

Particles become less dense

c)

Particles gain energy, they move further apart, density decreases

d)

Particles gain energy, and their density decreases

69.

Why is trapped air good at reducing thermal energy transfer?

a)

Air is a bad conductor and when trapped, it cannot create convection currents

b)

Air is a good conductor because the molecules are far apart

c)

Air likes to be trapped so when it is happy, it vibrates faster

d)

Radiation cannot pass through trapped air

70.

What is a vacuum in science?

a)

Something used to clean your house

b)

A space with no particles

c)

A space with lots of particles in

d)

A space radiation cannot travel through

71.

A 20 kg child standing on a climbing frame and has 100 J of potential energy. How high is the climbing frame?

a)

2 m

b)

0.5 m

c)

2000 m

d)

5 m

72.

A 1000 kg car is travelling at 10 m/s. How much kinetic energy does the car have?

a)

50000 J

b)

5 J

c)

5000 J

d)

100 J

73.

an electric motor is supplied with 50 J of electrical energy in total. If the motor produces 40 J of kinetic energy, 8 J of thermal energy and 2 J of sound energy, what is the efficiency of the motor.

a)

80 %

b)

40 %

c)

88 %

d)

82%

74.

A 1 kg cannon ball is fired with 50 J of kinetic energy. Calculate the velocity of the cannon ball.

a)

1

b)

50

c)

5

d)

10

75.

Which energy resources are most dependent on weather?

a)

wind and solar

b)

tidal and wind

c)

solar and geothermal

d)

fossil fuels and wave

76.

What energy store do all food and batteries contain?

a)

kinetic

b)

elastic

c)

chemical

d)

sound

77.

A plane has 60000 J of GPE and then dives down 50 m. If the mass of the plane is 500 kg, calculate the new GPE of the place.

a)

25000 J

b)

0 J

c)

35000 J

d)

60000 J

78.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
79.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
80.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
81.
LT2: a measure of the average kinetic energy of the individual particles in matter is: 
a)
mass
b)
temperature
c)
matter
d)
heat
82.
LT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
83.

A cyclist accelerates down a hill. The energy in her ..................................... store is tranferred to her ............................. store.

a)

chemical ....... gravitational potential

b)

gravitational potential ........ thermal

c)

gravitational potential ............ kinetic

d)

kinetic .................... thermal

84.

A girl of mass 40kg jumps out of a window which is 8m above the ground. Her kinetic energy just before she hits the ground is

a)

3200J

b)

4000J

c)

320J

d)

We need more information to answer this question

85.

The rabbit (mass 4.0kg) then doubles its speed from 5m/s to 10m/s. Its kinetic energy

a)

halves

b)

doubles

c)

increases x 4

d)

decreases x 4

86.

A ladybird of mass 5g jumps, reaching a height of 20cm. The energy in its gravitational potential store is

a)

0.01J

b)

100J

c)

1J

d)

0.1J

87.

A car of mass 800kg has 90kJ of energy in its kinetic store. How fast is it moving?

a)

10.6m/s

b)

15.0m/s

c)

112m/s

d)

11.25m/s

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