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Energy Unit Study Guide

Total questions: 60

Worksheet time: 48mins

Name
Class
Date
1.

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

2.

Which is the type of energy exists within gasoline?

a)

Thermal

b)

Electrical

c)

Nuclear

d)

Chemical

3.

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

4.

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

5.

Batteries convert _________ energy to ___________ energy

a)

Electrical / Chemical

b)

Chemical / Nuclear

c)

Electrical / Magnetic

d)

Chemical / Electrical

6.

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

7.

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

a)

1

b)

2

c)

3

d)

4

e)

5

8.

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

a)

W

b)

X

c)

Y

d)

Z

9.

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

a)

W

b)

X

c)

Y

d)

Z

10.

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

11.

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

12.

Thermal energy __________ the motion of molecules in a system

a)

Increases

b)

Decreases

c)

Stops

13.

What type of energy conversion occurs in a desktop fan?

a)

Electrical to Light

b)

Light to Electrical

c)

Electrical to Kinetic

d)

Kinetic to Heat

14.

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

15.

The ability to do work (move) is called...

a)

Matter

b)

Energy

c)

Weight

d)

Force

16.

A plant turns thermal energy from the sun into chemical energy during photosynthesis. This is an example of a(n)...

a)

Energy transformation

b)

Matter transformation

c)

Energy change

d)

Physical Change

17.

True or false: Energy cannot change from one type to another.

a)

True

b)

False

18.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
19.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
20.

Type of energy?

a)

Electrical

b)

Chemical

c)

Mechanical

d)

Nuclear

e)

Thermal

21.

Type of energy?

a)

Electrical

b)

Chemical

c)

Mechanical

d)

Nuclear

e)

Thermal

22.

Type of energy?

a)

Electrical

b)

Chemical

c)

Mechanical

d)

Nuclear

e)

Thermal

23.

Which image shows chemical energy transforming into radiant and thermal energy?

a)
b)
c)
d)
24.

Which two images show electric energy transforming into radiant and thermal energy?

a)
b)
c)
d)
25.

Which image shows chemical energy transforming into mechanical energy, then from mechanical into kinetic, sound and thermal energy?

a)
b)
c)
d)
26.

The picture demonstrates electrical energy transforming into ...(pick 3)

a)

radiant energy

b)

sound energy

c)

thermal energy

d)

kinetic energy

e)

potential energy

27.

What is kinetic energy?

a)

motion

b)

stored energy

c)

created energy

d)

destroyed energy

28.

What is potential energy?

a)

destroyed energy

b)

motion

c)

created energy

d)

stored energy

29.

Which forms of energy are kinetic? Select all that apply

a)

electrical

b)

chemical

c)

nuclear

d)

mechanical

30.

Which of the following is not potential energy?

a)

chemical

b)

nuclear

c)

thermal

31.

A man eating and then going out for a run are what forms of energy?

a)

mechanical to thermal

b)

just mechanical

c)

just chemical

d)

chemical to mechanical to thermal

32.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

33.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

34.
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
35.

Which of these objects store chemical energy?

a)

battery

b)

light bulb

c)

gasoline

d)

pizza

36.

__________ energy is the energy stored by moving objects.

a)

potential

b)

kinetic

c)

velocity

d)

electrical

37.

__________ energy is another word for heat energy.

a)

heat

b)

electrical

c)

radiation

d)

thermal

38.

Which of these are stores of nuclear energy?

a)

Stars

b)

Batteries

c)

Atoms

d)

Nuclear bombs

39.

Speakers, TVs and your voice are all sources of __________ energy.

a)

electrical

b)

sound

c)

kinetic

d)

potential

40.

Select the correct energy transfer for a light bulb

a)

Light -> Heat

b)

Electrical -> Light

c)

Chemical -> Light + Sound

d)

Electrical -> Light + Heat

41.

In a closed system the amount of energy remains constant.

a)

True

b)

False

42.

A stretched spring stores __________ potential energy.

a)

chemical

b)

stretched

c)

compressed

d)

elastic

43.

In your own words, state the Law of Conservation of Energy.

4 lines
44.

A glass of ice water and a cup of hot coffee are left in a room overnight. In the morning both liquids are room temperature. This is a good example of

a)

Zeroth Law of Thermodynamics

b)

1st Law of Thermodynamics

c)

2nd Law of Thermodynamics

d)

3rd Law of Thermodynamics

45.

The energy transfer for a TV is:

electrical -> light + sound + heat


Which of the energies are useful?

a)

electrical

b)

light

c)

sound

d)

heat

46.
Heat travels from the sun to the earth by the process of...
a)
conduction
b)
convection
c)
radiation
d)
insulation
47.
The first law of thermodynamics states that energy is
a)
created
b)
destroyed
c)
conserved
d)
created and destroyed
48.
The first law of thermodynamics is a restatement of the
a)
Zeroth law of thermodynamics
b)
law of heat addition
c)
principle of entropy
d)
conservation of energy
49.
What do we call the relationship between thermal energy, heat and work?
a)
Closed System
b)
Entropy
c)
Conductors
d)
Thermodynamics
50.
Dragging an object across a rough surface makes it warm, or even hot. The temperature increase occurs because of
a)
Work
b)
Heat
c)
Thermal
d)
Both work and heat
51.

Define Exothermic

a)

Energy is released; ΔH is negative

b)

Energy is absorbed; ΔH is positive

c)

Energy is released; ΔH is positive

d)

Energy is absorbed; ΔH is negative

52.

Define Endothermic

a)

Energy is absorbed; ΔH is negative

b)

Energy is released; ΔH is negative

c)

Energy is released; ΔH is positive

d)

Energy is absorbed; ΔH is positive

53.

2nd law of thermodynamics

a)

Every time energy changes form, some of it is lost to the environment

b)

Energy can't be created or destroyed

c)

All energy generates heat

54.

The 1st law of Thermodynamics

a)

Energy can not be created or destroyed. It just changes forms.

b)

Energy can only be created by the sun

c)

Some energy is lost to the environment.

55.

Thermal Energy is...

a)

The internal energy of an object

b)

The temperature of a solid object

c)

Heat transfer through a liquid

56.

Temperature is ...

a)

the measure of the average kinetic energy of the molecules of an object

b)

The amount of thermal energy it takes to raise one gram of a substance by one degree Celsius.

c)

An object’s internal energy

57.

Conduction

a)

The transfer of thermal energy through solids

b)

The transfer of thermal energy through liquids and gases

c)

The transfer of thermal energy as electromagnetic waves

58.

Convection

a)

The transfer of thermal energy through liquids and gases

b)

The transfer of thermal energy through solids

c)

The transfer of thermal energy as electromagnetic waves

59.

Radiation

a)

The transfer of thermal energy as electromagnetic waves

b)

The transfer of thermal energy through solids

c)

The transfer of thermal energy through liquids and gases

60.

Thermal energy always travels from ______ temperatures to ______ temperatures.

a)

Higher / Lower

b)

Lower / Higher

c)

Higher / Higher

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