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Energy and Energy Transformations

Total questions: 60

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
2.
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
3.

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

a)

Chemical --> Mechanical --> Sound

b)

Chemical --> Sound --> Thermal

c)

Sound --> Chemical --> Radiant

d)

Mechanical --> Chemical --> Sound

4.
If you drop a basketball, it will bounce, and then roll, and finally stop.
Why won't a basketball bounce forever?
a)
The ball weighs too much, and that makes it stop.
b)
Gravity pulls the ball down more than the ball can bounce.
c)
It's Potential Energy gets destroyed as it bounces.
d)
It's energy is transformed into other types of energy.
5.

Which location will a pendulum have the most kinetic energy?

a)

the left side

b)

the right side

c)

The center/middle

d)

either the right or left side

6.

Can you create energy?

a)

Yup, no problem.

b)

What? NO WAY, it's impossible.

c)

Well, maybe.

d)

Yes, but it's very difficult.

7.

Can this alien destroy energy with his awesome laser?

a)

Nice Alien, and yes, he can.

b)

Maybe, if his laser is awesome enough!

c)

No, it's like, impossible, and stuff.

d)

With a lot of ice, he could destroy heat.

8.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

9.

What do sound energy, radiant energy, and thermal energy all have in common?

a)

They're all forms of kinetic energy

b)

They're all made of similar atoms and molecules

c)

They're all made by plants during photosynthesis

d)

All of these choices

10.
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
a)
A bolt of lightning lights the night sky.
b)
A candle glows brightly in the dark.
c)
A fire in a fireplace lights up a room.
d)
A battery causes a flashlight to shine.
11.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
12.
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
13.
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
14.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
15.
What is Energy?
a)
The transfer energy when a force is applied over a distance.
b)
The ability to cause change or the ability to do work.
c)
The energy of an object has because of its motion.
16.
4. A group of campers create a campfire by burning several wooden logs.  Which statement best describes the energy transformations that occur when the logs burn?
a)
Chemical energy from the wood is converted into light and heat energy.
b)
Heat energy from the logs is converted into chemical and light energy.
c)
Chemical energy from the air is converted into mechanical and light energy.
d)
Heat energy from the air is converted into mechanical and light energy.  
17.

6.9(C) Released A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

a)

The chemical energy stored in the match changed to thermal energy and light energy.

b)

The thermal energy stored in the match changed to light energy and chemical energy.

c)

The light energy and thermal energy stored in the match changed to mechanical energy.

d)

The light energy and thermal energy stored in the match changed to chemical energy.

18.

6.8(A) Released The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X. Which statement best describes the energy of the two airplanes?

a)

Airplane W has a greater kinetic energy than Airplane X.

b)

The two airplanes have the same gravitational potential energy but different kinetic energies.

c)

Airplane X has more gravitational potential energy than Airplane W.

d)

The two airplanes have the same kinetic energy but different gravitational potential energies.

19.

6.8(A) Released Deshun used the diagram to describe changes in the potential and kinetic energy of the water. At which location is the gravitational potential energy of the water the greatest?

a)

Location W

b)

Location X

c)

Location Y

d)

Location Z

20.

6.9(C) Released In Africa there is a lot of different predators and prey. One of Lion’s favorite meals is zebra. When a lion eats a zebra and then uses the energy from the zebra to run, the lion’s body converts –

a)

chemical energy to light energy

b)

chemical energy to mechanical energy

c)

electrical energy to chemical energy

d)

mechanical energy to chemical energy

21.

6.8(A) Released In the classroom demonstration shown below, a rubber ball is dropped from Position 1. The ball bounces as shown. At which of these positions does the ball have both the greatest kinetic energy and the least potential energy?

a)

Position 1

b)

Position 2

c)

Position 3

d)

Position 4

22.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
23.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
24.

When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.

a)

Kinetic

b)

Elastic

c)

Gravitional

d)

Chemical

25.
Can energy be destroyed?
a)
no
b)
yes
26.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
27.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
28.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
29.
Energy stored in the height of an object is called ___________ potential energy.
a)
Elastic
b)
Chemical
c)
Gravitational
d)
Nuclear
30.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
31.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

32.

What type of energy is in this picture?

a)

Kinetic Energy

b)

Gravitational Potential Energy

c)

Elastic Potential Energy

d)

Law of Conservation of Energy

33.
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
34.
____________ is the ability to cause change. 
a)
Energy 
b)
Force 
c)
Friction
d)
Motion
35.

Which is the best example that something has kinetic energy?

a)

a car parked on a steep hill

b)

a tennis ball rolling across the court

c)

a picture hanging on the wall

d)

a piece of coal before it's burned

36.

What kind of energy is in a person climbing up a ladder?

a)

Potential energy

b)

Kinetic energy

c)

Both kinetic and potential

37.

When a pendulum swings, at which point is kinetic energy highest?

a)

1

b)

2

c)

3

d)

4

38.

When a pendulum swings, at which point is potential energy at its greatest?

a)

1

b)

2

c)

3

d)

4

39.
Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.
a)
created, destroyed
b)
gravity, force
c)
heat, created
40.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
41.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
d)
leaves rolling down a hill 
42.
Which is an example of potential energy?
a)
a roller coaster speeding down a hill
b)
the pulled back string on an archers's bow
c)
releasing the strings on a guitar
d)
an electric current lighting a light bulb
43.

At which point is kinetic energy greatest?

a)

W

b)

X

c)

Y

d)

Z

44.

What two factors affect an object's kinetic energy?

a)

mass and velocity

b)

height and mass

c)

velocity and height

d)

weight and height

45.

What two factors affect an object's gravitational potential energy?

a)

mass and velocity

b)

height and mass

c)

velocity and height

d)

weight and height

46.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
47.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
48.

What is position?

a)

The movement of an object.

b)

The location of an object.

49.

What is motion?

a)

A change in position.

b)

A change in force.

50.

Which of these are examples of motion?

a)

Turning around

b)

Moving side to side

c)

Traveling

d)

All of them

51.

What is speed?

a)

A measure of how fast something moves.

b)

A measure of how you move.

52.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
53.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
54.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
55.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
56.

These forces are...

a)

Balanced

b)

Unbalanced

57.

These forces are...

a)

Balanced

b)

Unbalanced

58.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
59.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
60.

What is true about this picture?

a)

the forces are balanced

b)

the net force is 10N

c)

The net force is 3 N

d)

The net force is 7N

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