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Physical Science Unit 8- Energy

Total questions: 110

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

What type of energy is in basketball passing through the hoop?

a)

Potential

b)

Kinetic

2.

What type of energy is in a waving hand?

a)

Potential

b)

Kinetic

3.

What energy is the arrow pulled back?

a)

kinetic energy

b)

potential energy

4.
A rubber band has been pulled backward but hasn’t been let go yet.
a)
Potential
b)
Kinetic
5.
A basketball is being held in the hands of a player.
a)
Potential
b)
Kinetic
6.
Girl serving a volleyball
a)
Potential
b)
Kinetic
7.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
8.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
9.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
10.
Which diagram best represents potential energy?
a)
A
b)
B
11.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
12.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
13.
What kind of energy is in a battery?
a)
Potential
b)
Kinetic
14.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
15.

What form of energy is in this picture?

a)

Gravitational

b)

Elastic

c)

Chemical

d)

Sound

16.

When a roller coaster is at the top of a hill it has

a)

more potential than kinetic energy

b)

more kinetic than potential energy

c)

no kinetic or potential energy

d)

equal amounts of kinetic and potential energy

17.

Kinetic energy depends on

a)

mass and height

b)

height and speed

c)

mass and speed

d)

mass and force

18.

Potential energy depends on

a)

mass and height

b)

height and speed

c)

mass and speed

d)

height and force

19.

Energy is measured in

a)

kilograms

b)

meters

c)

Joules

d)

m/s

20.

I am holding a balloon that is full of air, the balloon has

a)

kinetic energy

b)

potential energy

21.

The formula for Kinetic energy.

a)

KE= .5 x M x V2

b)

KE= M x G X H

c)

KE= M X C x Change in T

22.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
23.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
24.
What is the equation to measure change in Thermal Energy?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ∆mct
d)
m=QC
25.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
26.
How are solids different from liquids?
a)
particles in solids are moving freely around each other.
b)
particles in solids have no motion.
c)
particles in solids are vibrating in place.
d)
particles in solids have more motion than in liquids
27.
What happens when thermal energy is taken away from particles?
a)
They move faster and farther apart
b)
They move slower and closer together
28.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
29.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
30.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
31.
Mechanical energy
a)
energy built up before being in motion
b)
energy released in a chemical reaction
c)
energy of motion
d)
sum of kinetic and potential energy
32.
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 
33.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
34.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
35.
Which energy conversion is taking place when you put gasoline in a car?
a)

thermal -> electrical

b)

motion -> electrical

c)

chemical -> motion

d)

motion -> electromagnetic

36.
what type of energy is stored in a battery?
a)

electrical

b)

chemical

c)

thermal

d)

motion

37.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
38.
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)

radiant

c)

thermal

d)

motion

39.

The purpose of the panels is to change radiant energy into ____________.

a)

elastic energy

b)

electrical energy

c)

chemical energy

d)

motion energy

40.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
41.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
42.

Which items would have this energy transformation: chemical energy -> electrical, radiant and thermal energy?

a)

turning on a flashlight

b)

nuclear power plant

c)

digesting an apple

d)

tanning bed

43.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
44.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon.  What energy transformations occur when propane gas is used to lift the balloon? 
a)

Motion to radiant to chemical

b)

Chemical to motion to thermal 

c)

Thermal to chemical to radiant

d)

Chemical to thermal to motion

45.

The picture showing the energy conversion

Chemical → thermal

is:

a)
b)
c)
d)
46.

The picture showing the energy conversion

Radiant → chemical

is:

a)
b)
c)
d)
47.

The picture showing the energy conversion

Chemical → radiant & heat

is:

a)
b)
c)
d)
48.

Which of the following is an example of a change of motion energy into gravitational energy?

a)

a person parachuting out of a plane

b)

a car racing around an oval track

c)

a person skiing down a hill

d)

a person walking up a hill

49.
Name the Energy conversion from the Sun to a growing apple tree.
a)
Nuclear → Electrical
b)
Gravitational → Thermal
c)
Chemical → Motion
d)
Radiant → Chemical
50.
Marcy uses a hair dryer to dry her hair.

 To what kinds of energy does electrical energy change when she uses the hair dryer? 
a)

thermal and radiant

b)

thermal and motion

c)

motion and sound

d)

thermal, motion, and sound

51.

A washing machine turns electrical energy into

a)

Radiant energy

b)

Chemical energy

c)

Motion energy

d)

Nuclear energy

52.

Electrical -> Motion -> 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

53.

What thermal energy transfer is shown here?

a)

Conduction

b)

Convection

c)

Radiation

54.

What is the Law of Conservation of Energy?

a)

Energy is always created and never destroyed, it just transfers.

b)

Energy can neither be destroyed or changed, it can just be created.

c)

Energy can neither be created nor destroyed, it just changes form.

55.

What thermal energy transfer is shown here?

a)

Conduction

b)

Convection

c)

Radiation

56.

Thermal energy transfer that can travel through empty space.

a)

Conduction

b)

Convection

c)

Radiation

57.

What thermal energy transfer is shown here?

a)

Conduction

b)

Convection

c)

Radiation

58.

Thermal energy transfer through touch.

a)

Conduction

b)

Convection

c)

Radiation

59.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
60.

Transfer of thermal energy through "flow" of liquids and gases

a)

conduction

b)

convection

c)

radiation

61.

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

a)

8.5 J

b)

45 J

c)

7.5 J

d)

22.5 J

62.

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

a)

250,000 J

b)

2,450,000 J

c)

2,451,663 J

d)

248 J

63.

If the 1.2 kg basketball rolls at 3 m/s, what is it's kinetic energy?

a)

2.7

b)

5.4

c)

3.6

d)

9

64.

The specific heat of aluminum is 0.9025 J/g°C. How much heat(Q) is released when a 10.0 g piece of aluminum foil is taken out of the oven and cools from 100.0° to 50.0°?

a)

451 J

b)

45.1 J

c)

400 J

65.

20.0 g of water. specific heat of water is 4.184 J/g°C. temperature changes from 25.0° C to 20.0° C, how much heat energy (Q) moves from the water to the surroundings?

a)

418 Joules

b)

209 J

c)

83 J

d)

4.18 J

66.

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s?

a)

200Kg

b)

20,000Kg

c)

10Kg

d)

200Kg

67.

Which point has the most kinetic energy?

a)

A

b)

B

c)

C

d)

A and C

68.

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

a)

a 500 kg boulder on a 5 meter hill

b)

a 500 kg boulder on a 10 meter hill

c)

a 500 kg boulder on a 20 meter hill

69.

What causes your skin to feel warm when it is in the sun on a summer day?

a)

Particles in the atmosphere reflect energy from the Sun downward

b)

The Sun radiates energy that passes through space & the atmosphere to your skin.

c)

Hot particles from the Sun still carry some heat when they reach your skin.

d)

The solar wind carries heated air from the Sun’s atmosphere to Earth’s surface.

70.

Which best describes the flow of heat?

a)

A. From a larger object to a smaller object

b)

From a cooler object to a warmer object

c)

From a warmer object to a cooler object

d)

From a warmer object to a warmer object

71.

People sitting around a campfire are able to feel the heat from the fire.

How are the people able to feel the heat form the fire without touching the fire?

a)

A. The heat from the fire travels through the ground & heats the ground around the people.

b)

B. The heat from the fire is conducted through air molecules to the people.

c)

C. The heat from the fire rises in the air and then settles around the people.

d)

D. The heat from the fire radiates from the fire to the people.

72.

You hold a bowl of hot soup that warms your hands; this is

a)

A. Radiation

b)

B. Conduction

c)

C. Convection

d)

D. Conviction

73.

Steam from a hot bowl of soup warms your face as you lean over it; this is

a)

A. Radiation

b)

B. Conduction

c)

C. Convection

d)

D. Conviction

74.

Why is it better to have a cooking pot with a plastic handle instead of a metal handle?

a)

A. Plastic looks better than metal.

b)

B. . Plastic is not a good conductor of heat

c)

C. Plastic washes easier than metal.

d)

D. Plastic is a good conductor of heat

75.

Jim wakes up early in the morning and walks from his carpeted bedroom to the tiled kitchen. Which BEST describes why, despite being the same temperature, the tile floor feels cooler to his feet than the carpet?

a)

A. Tile is a better conductor of heat and transfers heat away from his skin.

b)

B. Carpet is a bad conductor of heat and transfers heat to his skin.

c)

C. Tile is a poor conductor of heat and transfers heat to his skin.

d)

D. The tile and carpet are the same temperature

76.

Raegan wants to determine the best material to make a new type of cookware. What type of material should she choose?

a)

material that conducts heat evenly

b)

material that can be easily bent into shape

c)

material that does not transmit electricity

d)

material that will remain cool to the touch

77.

Serenity wants to keep drinks cold during an afternoon sports game. Which container would MOST LIKELY keep her drinks cold for several hours?

a)

Plastic, because it will conduct heat.

b)

Metal, because it will conduct heat.

c)

Plastic, because it will insulate from heat.

d)

Metal, because it will insulate from heat.

78.

What is another name for Heat energy?

a)

Conductor

b)

Radiation

c)

Convection

d)

Thermal

79.

Heating food in a microwave oven.

a)

Conduction

b)

Convection

c)

Radiation

80.

The butter on top of the pancake melted.

a)

Conduction

b)

Convection

c)

Radiation

81.

Air conditioner cooling the hot room.

a)

Conduction

b)

Convection

c)

Radiation

82.

Adding hot water to your cold bath water.

a)

Conduction

b)

Convection

c)

Radiation

83.

Ironing a wrinkled shirt.

a)

Conduction

b)

Convection

c)

Radiation

84.

Laying under the sun to get tan.

a)

Conduction

b)

Convection

c)

Radiation

85.

An ice cube melts when you hold it in your hand.

a)

Conduction

b)

Convection

c)

Radiation

86.

You feel hot after reading for a long time under a lamp.

a)

Conduction

b)

Convection

c)

Radiation

87.

Hair gets hot when a hair straightener is used on it.

a)

Conduction

b)

Convection

c)

Radiation

88.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
89.
A high specific heat means...
a)
It requires less energy to change temperature
b)
It requires more energy to change temperature
c)
It heats up very quickly
90.
When a  piece of aluminum foil is taken out of the oven and cools from 100° C to 50°C, What is the change in temperature?
a)
50°
b)
0°
c)
100°
d)
150°
91.
Which of the following would be the best insulator?
a)
air
b)
aluminum
c)
copper
d)
silver
92.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
93.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

Sand has a greater mass than water.

d)

Water has a greater mass than sand.

94.
The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams of copper?
a)
12.82 °C
b)
24.12°C
c)
351 °C
95.
Question Image

Rank the materials in order of slowest to heat up to fastest to heat up.

a)

water

1.

1

b)

lead

2.

2

c)

granite

3.

3

d)

iron

4.

4

96.
Object A has a specific heat of 4.45 J/g⁰C and object B has a specific heat of 1.82 J/g⁰C. Which object will heat up faster?
a)

Object A, it has a lower specific heat

b)

Object B, it has a lower specific heat

c)

Object A, it has a higher specific heat

d)

Object B, it has a higher specific heat

97.
If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up with 6,000 Joules of energy.
Which one will have the SMALLEST change in temperature?
a)
1 kg
b)
10 kg
c)
They both heat up  to the same temperature
d)
It depends on the temperature of the room
98.

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

a)

66.5 J

b)

665 J

c)

0.0266 J

d)

0.665 J

99.
If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?
a)
100 mL
b)
1000 mL
c)
They both heat up at the same speed
d)
They cool down.
100.

If  Q=mcΔTQ=mc\Delta T  , what is ΔT\Delta T   

a)

ΔT=Qmc\Delta T=\frac{Q}{mc}  

b)

ΔT=mcQ\Delta T=\frac{mc}{Q}  

c)

ΔT=Qmc\Delta T=Qmc  

d)

ΔT=mQc\Delta T=\frac{m}{Qc}  

e)

c=QmΔTc=\frac{Q}{m\Delta T}  

101.

A bowl of soup cools.

a)

Conduction

b)

Convection

c)

Radiation

102.

A sample of potassium goes through a temperature change of -24.33 °C while releasing 1708.8 joules of heat. The specific heat capacity of potassium is 0.754 J/(g·°C). What is the mass of this sample?

Round to the hundredths and include units.

(a)  

103.

A sample of manganese goes through a temperature change of -1024.78 °C while releasing 389540 joules of heat. The specific heat capacity of manganese is 0.4773 J/(g·°C). What is the mass of this sample?

Round to the hundredths and include units.

(a)  

104.

A 110.5 g sample of gold goes through a temperature change of +661.49 °C while absorbing 9429.2 joules of heat. What is the specific heat capacity of gold?

Round to the thousandths place!

(a)  

105.

A 64.3 g sample of bismuth releases 384.45 joules of heat. The specific heat capacity of bismuth is 0.123 J/(g·°C). By how much did the temperature of this sample change, in degrees Celsius?

PUT THE NUMBER ONLY ROUNDED TO THE HUNDREDTHS.

(a)  

106.

A 70.1 g sample of tin is subjected to a temperature change of -32.15 °C. The specific heat capacity of tin is 0.227 J/(g·°C). How many joules of heat were transferred by the sample?

Round to the hundredths and include units.

(a)  

107.

A 743.2 g sample of nitrogen undergoes a temperature change of +484.05 °C. The specific heat capacity of nitrogen is 1.04 J/(g·°C). How many joules of heat were transferred by the sample?

Round to the hundredths and include units!

(a)  

108.

A 543.6 g sample of lithium absorbs 211750 joules of heat. The specific heat capacity of lithiumis 3.58 J/(g·°C). By how much did the temperature of this sample change, in degrees Celsius?

Round to the hundredths and do NOT include units.

(a)  

109.

A 844.6 g sample of zinc absorbs 49045 joules of heat. The specific heat capacity of zinc is0.387 J/(g·°C). By how much did the temperature of this sample change, in degrees Celsius?

Round your answer to the nearest whole number and do NOT include units.

(a)  

110.

A sample of neon is subjected to a temperature change of +849.34 K while absorbing 793630joules of heat. The specific heat capacity of neon is 1.0301 J/(g·K). What is the mass of this sample?

Round your answer to the hundredths place and include units!

(a)  

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