WorksheetsEnergy Review
Total questions: 57
Worksheet time: 47mins
Mrs. Tolson's students are complaining that it is hot in the classroom. She plugs in the fan and turns it on, which energy transformation occurs?
mechanical to electrical
electrical to mechanical
chemical to mechanical
electromagnetic to mechanical
Energy is the ability to do ___________.
Nothing
Work
Energy
Change
The Law of Conservation of Energy states that...
energy can be destroyed
energy can not be created or destroyed
energy can only be destroyed using the force
energy can be produced
Energy can be created.
True
False
Sometimes
Always
Which skier will have a greater potential energy? (assume that they have the same mass)
Skier 1
Skier 2
What object can change electrical energy into light energy?
A candle
A fire
A lamp
A radio
Light energy is...
heat energy
energy an object has because of its position or motion
energy that travels in waves and can move through empty space
matter vibrating
Energy of motion is which type of energy?
Potential
Kinetic
Sound
Gravitational
On a roller coaster, where is maximum potential energy?
At the bottom of a big hill
When going around a corner
When going upside down
At the top of a big hill
Where does the ball have the greatest potential energy?
1
2
3
4
5
All of the following are examples demonstrating mechanical energy except -
a fire roasting marshmallows
a fan blowing out air
a girl kicking a ball across the yard
a boy writing with a pen
A student placed his marble game above a stereo speaker. When he turned the speaker on, the marbles shook and some fell to the floor. Which of the following statements best explains the motion of the marbles?
magnetic energy attracted the marbles
sound waves cause the marbles to vibrate
electricity pushed the marbles
heat caused the marbles to move
Three different objects that produce the same source of energy are shown. What is the main energy these objects produce?
mechanical energy
electrical energy
thermal energy
sound energy
An electric dishwasher uses thermal energy to clean and sanitize dishes by heating water to high temperatures. Which other household appliance is used to produce thermal energy?
How does energy change from point A to point B?
potential to kinetic
mechanical to potential
chemical to potential
kinetic to chemical
What energy does a wind turbine use to work?
chemical
electrical
nuclear
mechanical
What kind of energy is it when water is stored BEHIND a dam?
kinetic
potential
solar
chemical
Where is the greatest potential energy?
1
2
3
4
The bike Dr. Jeff's mom is riding uses a generator to convert _____________ energy to ________________ energy, which is then used to charge BERT.
solar, mechanical
motion, electrical
heat, steam
hydro, electrical
A "generator" is a device that PRODUCES energy.
True
False
Where does the energy in your home electrical outlets come from?
Wires connected to a power plant
We buy it from the electric company
Lightning striking the house
Batteries store energy as chemical energy.
True
False
What is an example of energy transfer by HEAT? (Click all that apply)
Heat lamp warming food
S'more's in solar oven
A windmill powering a farm
Water running through a dam
What does a solar cell do?
it converts light into electrical energy
it converts wind into electrical energy
it transmits radio wave signals into space
it converts water into solar energy
This form of energy could be represented by the movement of electrons within copper wires.
Electrical
Light
Sound
Mechanical
You could find a lot this type of energy at the top of a tall tree.
Electrical
Kinetic
Potential
Mechanical
This form of energy does NOT come from the sun.
Solar
Thermal
Light
Sound
"Stored energy" is another way of describing what energy type?
Potential
Electrical
Kinetic
Mechanical
If your cup of hot chocolate is really hot that means it has a lot of this type of energy.
Chemical
Thermal
Electrical
Potential
What type of energy is most responsible when you chew your food?
Chemical
Mechanical
Electrical
Potential
True or False. Energy cannot be created or destroyed, rather it is transformed from one energy type to another.
True
False
According to which law of energy, energy can't be created or destroyed?
First law of motion
Universal Law of Gravitation
Law of conservation of matter
Law of conservation of energy
Identify the energy transfer
mechanical to sound
chemical to electrical
sound to mechanical
thermal to sound
Identify the energy transfer
electrical to chemical to light
kinetic to potential
chemical to electrical to light
light to sound
Identify the energy transfer
potential to chemical
electrical to kinetic
mechanical to sound
chemical to thermal
Identify the energy transfer
chemical to solar
electrical to thermal
chemical to light
thermal to kinetiv
What type of energy can be sensed by the eyes?
sound
thermal
electrical
light
Which of the following involves electrical energy being transferred into heat energy?
A heavy box being lifted off a table
firecrackers exploding in the sky
baking bread in the oven
a wax candle burning
Gasoline has stored chemical energy. Which machine could change chemical energy into mechanical energy?
bicycle
stove
automobile
flashlight
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
This is an example of...
reflect
refract
absorb
If a sound has a loud volume, it must have a high pitch.
True
False
If we describe a sound as loud, we are describing the ________.
pitch
volume
noise
vibrations
If we are describing how low or high a sound is, we are describing the ______.
noise
pitch
volume
waves
A sound with a high pitch can have a ________ volume.
low or high
loud or soft
loud
soft
