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Energy 2

Total questions: 100

Worksheet time: 50mins

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 NOT a renewable energy source?

a)

coal

b)

wind

c)

solar

d)

water

5.

Which is NOT a non-renewable energy source?

a)

coal

b)

oil

c)

wind

d)

gas

6.

What is given off from energy?

a)

water

b)

heat

c)

smoke

d)

ash

7.
GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON
a)
MASS AND VELOCITY
b)
MASS AND WEIGHT
c)
WEIGHT AND HEIGHT
d)
HEIGHT AND DISTANCE
8.
WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?
a)
A BALL TRAVELING AT 10 M/S
b)
A COMPRESSED SPRING
c)
WATER BEING STORED AT A WATER DAM
d)
A STRETCHED RUBBER BAND
9.
YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?
a)
KINETIC
b)
ELASTIC
c)
GRAVITATIONAL
d)
CHEMICAL
10.
WHEN AN ARCHER BENDS A BOW, WHAT TYPE OF ENERGY INCREASES IN THE BOW?
a)
GRAVITATIONAL
b)
ELASTIC
c)
KINETIC
d)
THERMAL
11.
WHICH ENERGY TRANSFORMATION OCCURS WHEN A TELEVISION SPEAKER PRODUCES MUSIC?
a)
ELECTRICAL TO SOUND
b)
ELASTIC TO SOUND
c)
THERMAL TO SOUND
d)
SOUND TO ELECTRICAL
12.
WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?
a)
NO MACHINE IS 100% EFFICIENT
b)
ENERGY IS NEITHER CREATED OR DESTROYED
c)
THE ENERGY RESOURCES OF EARTH ARE LIMITED
d)
THE ENERGY OF A SYSTEM IS ALWAYS DECREASING
13.
AS A ROLLER COASTER MOVES DOWN A HILL, POTENTIAL ENERGY IS CONVERTED INTO KINETIC ENERGY, THERMAL ENERGY, AND SOUND ENERGY. WHAT IS TRUE ABOUT THE TOTAL ENERGY OF THIS SYSTEM?
a)
ENERGY IS GAINED (CREATED) AS THE ROLLER COASTER MOVES
b)
ENERGY IS LOST (DESTROYED) AS THE ROLLER COASTER MOVES
c)
THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES
d)
THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES
14.
WHICH OF THE FOLLOWING IS AN ENERGY CONVERSION FROM LIGHT ENERGY TO CHEMICAL ENERGY?
a)
TURNING ON A STOVE TO HEAT DINNER
b)
TURNING ON A LAMP
c)
GROWING AN APPLE TREE
d)
MAKING TOAST IN A TOASTER
15.
SAM STUDIED KINETIC AND POTENTIAL ENERGY BY OBSERVING APPLES HANGING ON A TREE DURING A FIELD INVESTIGATION. WHAT TYPE OF ENERGY DO THE APPLES HAVE?
a)
KINETIC
b)
MECHANICAL
c)
GRAVITATIONAL
d)
ELASTIC
16.
Which of the following is not an example of sound energy.
a)
A muted phone
b)
A chicken clucking
c)
dogs barking
d)
kids screaming in the park
17.
Which of the following is not an example of a change caused by energy?
a)
Brody jumped out of bed when he heard the alarm go off.
b)
A driver pushing on the breaks to slow down the speed of a car.
c)
A car parked in the garage overnight.
d)
The tea kettle beginning to whistle once the water began to boil.
18.
Which of the following situations would be an example of he scientific principle that energy has the ability to cause motion?
a)
A bicycle laying in the grass.
b)
A cat curled up on a sofa.
c)
A basketball on the ground.
d)
An orange falling to the ground.
19.
Williams was planning on building a chicken coop for Mrs. Stewart.  One afternoon as he was sanding the wood down to make it smooth, the sandpaper touched his arm.  What did Williams notice when he felt the sandpaper touch his arm?
a)
Williams noticed the sandpaper was cold to the touch.
b)
Williams noticed the sandpaper made his skin feel smooth.
c)
Williams noticed that the sandpaper felt hot against his skin.
d)
Williams noticed the sandpaper was freezing to the touch.
20.
Brianna's mom lit some candles for the dinner table.  Which form of energy does the candle release?
a)
sound
b)
mechanical
c)
electrical
d)
light
21.
During a race, the tires on a car can reach temperatures of over 200 degrees Fahrenheit.  Which statement best explains why the tires are so hot?
a)
They absorb heat from the surrounding air
b)
They heat up as hot exhaust is blown on them.
c)
They heat up from rubbing against the road.
d)
They absorb gasoline from the car and heat up.
22.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
23.

if you push a cart with a force of 60 N for 2 m... how much work have you done

a)

120 J

b)

30 J

c)

120 N

d)

30 N

24.

units for work are

a)

Newtons

b)

Joules

c)

meters

d)

seconds

25.

units of force are

a)

Newtons

b)

grams

c)

Joules

d)

meters

26.

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

a)

W

b)

X

c)

Y

d)

Z

27.

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

a)

more

b)

less

28.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

29.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

30.

Identify the type of energy

a)

Thermal energy

b)

Mechanical energy

c)

Sound energy

d)

Electrical energy

31.

The image shows

a)

Kinetic energy

b)

Kinetic and mechanical energy

c)

Thermal and kinetic energy

d)

Potential and kinetic energy

32.

The image shows

a)

Renewable energy

b)

Non renewable energy

c)

Both

d)

None

33.

In the image, energy is being transformed from...

a)

chemical to electrical and then kinetic

b)

chemical to kinetic and then potential

c)

chemical to thermal and then kinetic

d)

None

34.
Animals obtain their energy from ....... 
a)
Food
b)
Sun
c)
Air
d)
Uranium
35.
What is energy?
a)
Energy doesn't exist
b)
It is the capacity to burn coal
c)
It is the ability to do work or to produce transformations
d)
It is a property of the matter used to meassure forces
36.

Where on a bicycle might you find a pulley?

a)

the gears

b)

the handlebars

c)

the seat

d)

the tires

37.

Let's say you wanted to use a pulley to lift a flag up a flagpole. If you wanted to lift the flag 10 meters in the air, how far would you have to move the rope?

a)

5 meters

b)

10 meters

c)

15 meters

d)

20 meters

38.

In a simple pulley, what is the relationship between the effort and resistance forces?

a)

the effort force is smaller than resistance force

b)

the effort force is larger than resistance force

c)

the effort force outweighs the resistance force

d)

they are equal

39.

What objects can't you lift if you are using a single-pulley system?

a)

very large objects

b)

oddly-shaped objects

c)

very tall objects

d)

objects that are heavier than you

40.

Let's say you had a pulley system with a mechanical advantage of 3. If you want to lift a boulder 10 meters off the ground, how far would you have to pull the rope?

a)

3 meters

b)

10 meters

c)

30 meters

d)

300 meters

41.

Which one is an example of a pulley system?

a)

an ax

b)

a ramp

c)

an elevator

d)

a see-saw

42.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
43.
dark colored surfaces _________ radiation
a)
reflect 
b)
absorb
44.

What type of heat transfer takes place when you touch a warm mug of hot chocolate?

a)

Radiation

b)

Convection

c)

Conduction

d)

None of the above

45.

Conduction requires

a)

Electricity

b)

the electromagnetic spectrum and particles

c)

air or water flow

d)

direct contact

46.

Heat transfer always moves ...

a)

cold to hot

b)

east to west

c)

hot to cold

d)

north to south

47.

If you walk barefoot on hot asphalt, energy is transferred by which process?

a)

Convection

b)

Radiation

c)

Conduction

d)

Reflection

48.

Energy is transferred as heat between two objects of ___________ temperatures.

a)

differing

b)

same

49.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
50.
The earth receives heat energy from the sun by _______________, which is the transfer of energy as electromagnetic waves?
a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
51.
The transfer of heat energy by direct contact, or touch, is __________________?
a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
52.

Where do we see conduction in a pot of boiling water on the stove?

a)

The water heats up by touching the hot, metal pot.

b)

The steam from the hot water rises out of the pot.

c)

The heat from the fire can be felt on all sides.

53.
If two objects have different temperatures, heat will flow from the cooler object to the warmer one.
a)
True
b)
False
54.
Heat transfer by conduction occurs when...
a)
particles bump into each other
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
55.
List the correct order of conduction.
1. They collide more vigorously with neighbouring particles
2. Particles at the heated end gain kinetic energy and vibrate vigorously.
3. Particles at cooler end vibrate vigorously.
a)
1, 2, 3
b)
3, 2, 1
c)
2, 1, 3
d)
1, 3, 2
56.
Which material is the best conductor of heat?
a)
Wood
b)
Plastic
c)
Glass
d)
Steel
57.
Why do metals conduct thermal energy more quickly?
a)
Particles vibrate faster
b)
Due to the presence of bound electrons
c)
Due to the presence of free electrons
d)
Metals are grey
58.
Why are gases poor conductors of electricity?
a)
Particles are close together and collisions are more frequent
b)
Particles are far apart and collisions are less frequent
c)
Particles are close together and collisions are less frequent
d)
Particles are far apart and collisions are more frequent
59.

What are the three types of heat transfer?

a)

Radaition, Conduction, Convection

b)

Radiation, Conductors, Sun

c)

Insulator, Radiation, Conuction

d)

Thermal Energy, Sun, Heat

e)

Radiation, Conduction, Convection

60.

Which of the following is a type of energy that travels as electromagnetic waves and releases heat to it's surroundings?

a)

Convection

b)

Radiators

c)

Radaition

d)

Radiation

61.

A pot is on a burning stove, what heat transfer is causing the handle to get hot?

a)

Conudction

b)

Convection

c)

Conduction

d)

Radiation

62.

Landon has set a metal fork on a hot burner. After 1 minute has passed with the fork on it he puts the fork on the ice which causes it to melt. What kind of heat transfer caused the fork to heat up and melt the ice?

a)

Radiation

b)

Conduction

c)

Convection

63.

Jimmy is a astronaut, when he was in space he drifted close to the sun. He said that he felt the hottest he had ever felt. What kind of heat transfer caused this?

a)

Radaition

b)

Radiation

c)

Convection

d)

Conduction

64.

Makai is boiling water in a pot on the stove. He wonders how all of the water in the pot gets hot even though only the bottom level of the water is near the heat source. What kind of heat transfer causes all of the water to get hot?

a)

Conduction

b)

Convectoin

c)

Convection

d)

Conuction

65.

Hot coffee is stirred with a spoon, the spoon gets hot due to ...

a)

Conduction

b)

Radiation

c)

Convection

66.

A chair is placed several feet from a fire in a fireplace. The fire has a glass screen. The side of the chair facing the fireplace gets warm because of ...

a)

Conduction

b)

Radiation

c)

Convection

67.

Near the ceiling of a room the air is warmer. The warm air rises because of ...

a)

Conduction

b)

Radiation

c)

Convection

68.

A heater is placed under one corner of a waterbed mattress. Warm air moves throughout the mattress because of ...

a)

Conduction

b)

Radiation

c)

Convection

69.

A college student holds the back of his hand near an iron to see if it is hot. Heat is transferred to his hand by ..

a)

Conduction

b)

Radiation

c)

Convection

70.

In a swimming pool, the water near the surface is slightly warmer. THe warm water rises because ...

a)

Conduction

b)

Radiation

c)

Convection

71.

A house burns down. On the house across the street, all the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by ...

a)

Conduction

b)

Radiation

c)

Convection

72.

The cause of weather systems on earth is ...

a)

Conduction

b)

Radiation

c)

Convection

73.

A chocolate bar melts in a car on a sunny day because of ...

a)

Conduction

b)

Radiation

c)

Convection

74.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
75.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
76.
Which of the following is needed for convection to happen?
a)
Fluid/s
b)
Light in the form or rays
c)
Electromagnetic waves
d)
Fire
77.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
78.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
79.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
80.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
81.

A material that conducts thermal energy poorly

a)

Thermal insulator

b)

Heat

c)

Radiation

d)

Thermal Energy

82.

Choose the picture that best represents conduction.

a)
b)
c)
d)
83.

Choose the picture that best represents convection.

a)
b)
c)
d)
84.

Choose the picture that best represents radiation.

a)
b)
c)
d)
85.
If differences in air pressure produce winds, what can you conclude about temperature and air pressure based on the figure?
a)
As warm air rises, it creates an area of lower pressure, and cooler air flows in as wind
b)
Warm air is denser than cold air is, creating an area of high pressure the produces wind.
c)
Winds flow from areas of low pressure to areas high pressure when temperature is warmer
d)
Air pressure decreases at night because temperature is lower, producing land and sea breezes
86.
At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...
a)
the pounding waves generate air currents
b)
warm air over the ocean rushes in to replace the cool air that rises over the land
c)
the heavy, cool air over the ocean rushes in to replace the warm air that rises over the land
d)
there are no clouds to block the wind coming in from the ocean
87.

Heat transfer by convection is caused by differences in what two things:

a)

Thickness and material

b)

Weight and electricity

c)

Temperature and density

88.
In convection, COOL air
a)
Rises
b)
Sinks
89.
In convection, WARM air
a)
Rises
b)
Sinks
90.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
91.
Wind is caused by what?
a)
Sun
b)
Earth
c)
Moon
d)
Wind
92.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
93.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
94.
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
95.
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
96.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
97.
Energy that comes from the nucleus of an atom. A form of potential energy.
a)
chemical energy
b)
Nuclear energy
c)
Sound energy
d)
Electrical energy
98.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
99.
What machine changes chemical energy into heat, light and sound energy
a)
blender
b)
firecracker
c)
lightbulb
d)
apple
100.

If an object is sitting still in a position above the ground it has

a)

Kinetic energy

b)

Chemical potential Energy

c)

Gravitational potential energy

d)

Thermal energy

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