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Simple Machines and Energy Transformations

Total questions: 93

Worksheet time: 2hrs 22mins

Name
Class
Date
1.

A machine can be defined as any tool that...

a)

converts energy from one type to another

b)

Makes work easier

c)

uses electricity to operate

d)

has 3 or more parts

2.

Which simple machine is a straight rod that rest on a single point, called a fulcrum?

a)

Lever

b)

Inclined Plane

c)

Wheel and Axle

d)

Wedge

3.

Which of these could NOT be considered a lever?

a)

A see-saw

b)

Scissors

c)

A shovel

d)

A fishing rod

4.

Which simple machine is used to cut or move objects apart?

a)

Wedge

b)

Pulley

c)

Screw

d)

Lever

5.

Which would NOT be an example of a wedge?

a)

Hammer

b)

Axe

c)

Knife

d)

A triangular door stop

6.

Which simple machine is a slanted surface that connects one level to another higher level?

a)

Inclined Plane

b)

Gear

c)

Pulley

d)

Wheel and Axle

7.

Which is NOT an example of an inclined plane? (Think about how it is USED)

a)

A wheelchair ramp

b)

Stairs

c)

Slides

d)

a table

8.

Which is a NOT a good example of a pulley?

a)

Flagpoles

b)

Window blinds

c)

A ladder

d)

Theater curtains

9.

Which simple machine is a inclined plane wrapped around a cylinder shaped object that is used to drill into something?

a)

Screw

b)

Lever

c)

Pulley

d)

Gear

10.

Which is NOT an example of a screw?

a)

Pliers

b)

Screws

c)

Lid to a jar

d)

A typical lightbulb

11.

Which type of simple machine is this axe?

a)

Wheel and Axle

b)

Pulley

c)

Wedge

d)

Inclined Plane

12.

Which type of simple machine is this?

a)

Screw

b)

Wheel and Axle

c)

Wedge

d)

Lever

13.

Which type of simple machine is this?

a)

Lever

b)

Pulley

c)

Gear

d)

Wedge

14.

Which type of simple machine is this?

a)

Inclined Plane

b)

Wedge

c)

Lever

d)

Wheel and Axle

15.

Which type of simple machine is this?

a)

Pulley

b)

Wheel and Axle

c)

Lever

d)

Inclined Plane

16.

Which energy transformation takes place when water is released from a dam to generate energy?

a)

Potential to Kinetic to Electrical

b)

Potential to Sound to Electrical

c)

Sound to Nuclear to Electrical

d)

Potential to Chemical to Electrical

17.

Which energy transformation takes place when a flashlight is turned on with a battery?

a)

Chemical to Electrical to Light

b)

Electrical to Chemical to Light

c)

Light to Electrical to Kinetic

d)

Chemical to Nuclear to Light

18.

Which energy conversion happens for a solar powered car to move?

a)

Chemical to Light to Kinetic

b)

Light to Electrical to Kinetic

c)

Chemical to Electrical to Kinetic

d)

Light to Sound to Kinetic

19.

Rubbing your hands together to stay warm on a cold day is an energy transformation of...

a)

Electrical to Thermal

b)

Light to Thermal

c)

Kinetic to Thermal

d)

Nuclear to Thermal

20.

Which type of energy is NOT a part of a firework exploding?

a)

Light

b)

Sound

c)

Thermal

d)

Electrical

21.

When a ball is dropped and bounces up, it never goes back to the original height because it looses energy. Which of these are NOT a form of energy a ball loses as it bounces?

a)

Light

b)

Sound

c)

Thermal

d)

Potential

22.

A battery that is not being used but is full has which type of energy?

a)

Light

b)

Sound

c)

Chemical

d)

Electrical

23.

Electrical energy is produced by the flow of...

a)

Neutrons

b)

Electrons

c)

Proton

d)

Hypetron

24.

Which type of energy is created ONLY by the splitting of the nucleus of an atom?

a)

Nuclear

b)

Light

c)

Chemical

d)

Sound

25.

The Sun produces all of these forms for energy EXCEPT...

a)

Nuclear

b)

Light

c)

Chemical

d)

Thermal

26.

Which energy transformation occurs when you put your waffle in the toaster before you eat in?

a)

Electrical to Thermal

b)

Electrical to Chemical

c)

Electrical to Kinetic

d)

Thermal to Electrical

27.
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
28.
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
29.
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
30.
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
31.
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
32.

Solar Energy is transferred to _____ Energy with the usage of solar panels.

a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
33.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
34.
Electrical Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Electrical
d)
Thermal
35.
The Electrical Energy of the stove is transferred to _____ Energy.
a)
Solar
b)
Thermal
c)
Potential
d)
Electrical
36.

Which of the following is the correct chain of energy that takes place when a flashlight is turned on?

a)

chemical => electrical => light

b)

mechanical => electrical => light

c)

nuclear => chemical => light

d)

thermal => chemical => mechanical

37.

What type of energy is food energy stored in your muscles?

a)

mechanical

b)

nuclear

c)

thermal

d)

chemical

38.
Which of these is an example of light energy being transformed into chemical energy?
a)
A glow stick lights up when broken.
b)
Water heated by the sun evaporates.
c)
A plant makes sugar in the sunlight.
d)
A battery causes a buzzer to vibrate.
39.

A simple machine that consists a rigid bar that pivots on a fixed point

a)

lever

b)

pulley

c)

wheel and axle

d)

fulcrum

40.

An axe is an example of a

a)

pulley

b)

inclined plane

c)

screw

d)

wedge

41.

The device used to raise a flag up a flag pole is an example of a

a)

wheel and axle

b)

lever

c)

inclined plane

d)

pulley

42.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
43.
Name this simple machine. 
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
44.

A simple machine that is made up of an incline plane wrapped around a cylinder, often used to hold things together is a...

a)

lever

b)

screw

c)

wedge

d)

pulley

45.
A ramp.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
46.
Mechanical Advantage:  To increase or decrease the applied force.
a)
Lever
b)
Pulley
c)
Wheel and Axle
d)
Screw
47.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
48.

What is the input force?

a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
49.

What is output force?

a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
50.
Name this simple machine. 
a)
Inclined Plane
b)
Lever
c)
Pulley
d)
Wedge
51.
What type of simple machines does the photo show?
a)
Lever and wedge
b)
Inclined Plane and lever
c)
Pulley and wedge
d)
Lever and screw
52.
Rope, chain, or belt wrapped around a wheel that changes the direction of an applied force. Movable or fixed types.
a)
wedge
b)
screw
c)
wheel and axle
d)
pulley
53.
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
54.
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
55.
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.
56.
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
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.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
59.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical to thermal
b)
light to chemical
c)
thermal to light
d)
chemical to electrical
60.
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
61.
Water high in the air falls due to gravity, the moving water spins turbines, and they create/store electricity...
Pick the BEST Energy Conversion below for a Hydroelectric Dam.
a)
Mechanical to Electrical
b)
Electrical to Mechanical to Thermal
c)
Potential to Kinetic to Electrical
d)
Kinetic to Mechanical to Electrical
62.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

63.

The Law of Conservation of Energy states that energy is never _____________ or ____________, only transformed.

a)

created, destroyed

b)

created, subtracted

c)

added, subtracted

d)

destroyed, subtracted

64.

A skydiver jumps out of a helicopter. What is happening in terms of energy?

a)

He is gaining potential energy as he falls, and losing kinetic energy.

b)

He is gaining kinetic energy as he falls and losing potential energy.

c)

His kinetic and potential energy is always the same.

d)

He is gaining kinetic and potential energy at the same time.

65.
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.
66.
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
67.
Can you create energy?
a)
Yes
b)
No
68.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
69.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
70.

Thermal energy is also known as

a)

light

b)

heat

c)

radiation

71.

Most of the world's energy is solar. Solar energy is energy from the

a)

Earth

b)

Solar panels

c)

Sun

d)

Moon

72.

What is energy?

a)

the ability to do work

b)

light

c)

heat

d)

gas

73.

Which of the following is NOT mechanical energy?

a)

pedaling a bike

b)

rowing a boat

c)

a light bulb radiating light

d)

Running up a hill

74.

Heat is another name for...

a)

thermal energy

b)

magnetic energy

c)

electrical energy

d)

mechanical energy

75.

All of the following objects produce sound energy EXCEPT...

a)

a radio

b)

a flashlight

c)

a drum

d)

a television

76.

What types of energy does the toy oven use to bake cakes?

a)

light and sound

b)

electrical and thermal

c)

thermal and mechanical

d)

mechanical and nuclear

77.

What is the energy of motion that depends on speed and mass?

a)

potential energy

b)

kinetic energy

c)

chemical energy

d)

thermal energy

78.

The Law of Conservation of Energy states:

a)

Energy can be created or destroyed but not transformed.

b)

Energy cannot be created or destroyed, it can only be transformed.

c)

Energy can't be created, destroyed or transformed.

79.

Is a stretched bow and arrow an example of potential or kinetic energy?

a)

kinetic

b)

potential

80.

Is a cheetah running an example of potential or kinetic energy?

a)

potential

b)

kinetic

81.

What type of energy is characterized by electrons flowing through a wire?

a)

electrical energy

b)

chemical energy

c)

kinetic energy

d)

mechanical energy

82.

What type of energy is stored in batteries or food?

a)

kinetic energy

b)

thermal energy

c)

chemical energy

d)

mechanical energy

83.

This energy form is stored in the center of an atom.

a)

nuclear

b)

chemical

c)

electromagnetic

d)

thermal

84.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

sound

b)

thermal

c)

magnetism

d)

light

85.

Video gaming systems, like Xbox and PlayStation, and TVs need to be plugged into a socket in order for them to work. Which type of energy provides power for these systems?

a)

electrical

b)

thermal

c)

mechanical

d)

solar

86.

You see your friend in class about to shoot this paper across the room by pulling back the rubber band. What form of energy is represented? (Don't do it!)

a)

potential

b)

thermal

c)

electrical

d)

sound

87.

When you rub your hands together quickly, you can feel warmth between your hands. Which statement explains why rubbing your hands together produce warmth.

a)

This action captures thermal energy from the environment.

b)

This action produces thermal energy through friction.

c)

This is an example of mechanical energy.

d)

This action produces mechanical energy.

88.
All simple machines help make work _________.
a)
harder
b)
smaller
c)
lighter
d)
easier
89.
A door stop is an example of a
a)
Screw
b)
Wedge
c)
Lever
d)
Inclined Plane
90.

What type of simple machine makes chopping wood easier?

a)

inclined plane

b)

screw

c)

wedge

d)

lever

91.
Which type simple machine would the base of a light bulb be?
a)
screw
b)
wedge
c)
wheel and axle
d)
pulley
92.
What type of simple machine is this?
a)
Pulley
b)
Screw
c)
Inclined Plane
d)
Lever
93.
What is the center point of a lever called?
a)
Fulcrom
b)
A Thingy
c)
Cheese
d)
A Brick

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