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WorksheetsEnergy 1
Total questions: 80
Worksheet time: 1hrs 5mins
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
When energy changes from one form to another, we call it a _______________.
transformation
creation
expiration
compilation
A computer uses what type of energy to operate?
Mechanical
Light
Electric
Sound
Which is an example of light energy?
lawn mower
blender
flash light
speaker
What is an example of sound energy?
headphones
traffic light
sun
bicycle
Another name for stored energy is
kinetic energy
potential energy
light energy
sound energy
Energy in motion is:
Potential Energy
Heat Energy
Electric
Kinetic Energy
The picture shows what type of transformation
Electrical to mechanical
light to electric
electrical to light
light to light
What type of energy does a rock have when it is sitting at the edge of a cliff.
Potential
Kinetic
Which type of energy is used when you're running?
potential
kinetic
What type of energy do you use when you're swimming?
Potential
Kinetic
Heat
Thermal
What type of energy does a stationary bike have?
Potential
Kinetic
Heat
What is Energy?
The ability to do anything
The ability to cause change or do work
The investigation of nature
A fact of life
What is an example of kinetic energy?
An apple in a tree
A bouncy ball on the table
A car driving on the highway
A stretched out rubber band
What is an example of potential energy?
A bowling ball rolling down a lane
A car parked in a lot
An apple falling from a tree
Sunlight heating up the atmosphere
Energy cannot be created or destroyed.
True
False
What is the definition of friction?
A force that resists the sliding of two objects that are touching
A force that increases sliding between two objects
The change from potential to kinetic energy
A transformation from radiant to mechanical energy
Which of the following describes an energy transformation?
When energy is lost due to friction
An electric motor moving a car
A solar panel powering a home
A television projecting a show
What transformation occurs in a toaster?
Electrical to light
Electrical to thermal
Thermal to mechanical
Solar to electrical
What type of energy transformation occurs when a piece of wood burns?
Electrical energy is released as radiant energy
Stored chemical energy is released as thermal energy
Mechanical energy is stored as chemical energy
No transformation occurs
Which of the following is an example of a change of kinetic energy into gravitational potential energy?
Which object shows an energy transformation from electrical to mechanical?
What sort of energy transformation is this?
Chemical to Thermal
Thermal to chemical
Kinetic to potential
Open to closed
Energy is:
The ability to do work
The amount of power
Movement
Causing things to happen
Kinetic energy is
Stored energy
Force acting on objects
Associated with movement
Measured in speed
Potential energy is:
A type of kinetic energy
A fuel
Associated with movement
Stored energy
Kinetic energy is equal to:
0.5 x newtons x height
0.5 x mass x velocity(squared)
0.5 x mass x velocity
0.5 x mass x acceleration(squared)
Potential energy is equal to:
mass(squared) x gravity x height
mass x gravity x height
mass x pressure x gravity
mass x weight x energy
Mass is measured in:
J
lbs
kg
N
What type of energy is in this picture?
Kinetic energy
Rubber energy
Elastic energy
Stored energy
When glow sticks snap, they produce a glow. What energy transformation takes place?
Thermal to light
Light to radiant
Potential to heat
Chemical to light
Energy is neither created or destroyed, it is simply transferred between objects or transformed into
(a)
Work is:
The amount of energy used in creating a force
The amount of energy used in moving an object
The amount of energy used in creating power
Annoying
Work is equal to:
Force x distance
Power divided by time
Mass x distance
Newtons x metres
The following scenario relates to a rollercoaster:
When at the top of a hill, a cart has _________ energy, as it travels down the track, it has _______ energy.
Kinetic, potential
potential, generational
potential, kinetic
kinetic, exhilirating
Jax pushes his mate with a force of 10 N down a hill (stich up!). The mate rolls 10 m down the hill. Calculate the work done.
1 joule
100 joules
1 watt
1 calorie
What type of energy transformation would occur when a piece of wood is burnt?
Electrical energy is released as radiant energy
Mechanical energy is stored as chemical energy
Stored chemical energy is released as thermal energy
No transformation occurs
What energy transformation would occur in a toaster?
Electrical to thermal
Thermal to mechanical
Radiant to electrical
Solar to thermal
What is an example of sound energy?
Guitar strings being plucked
Mr Broadway talking about sound energy
Solar panels generating electricity
A machine in an assembly line
Molly is planting a flower garden. She carries the flowers from the car to the garden. She then pulls each flower out of its pot. She shoves a shovel into the dirt and digs a hole. She then holds the flowers as she places each of them in a hole.
In which case is Molly doing work? Remember, works is when an object moves as a result of force (a push of a pull).
When Molly carries the flowers from the car to the garden
When Molly pulls the flowers from their pot
When Molly leaves the flowers in their holes
When Molly digs a hole
If the speed of an object increases, what also increases?
Potential energy
Kinetic energy
Select the following which demonstrate a change from kinetic energy to potential energy?
A sled sliding up a hill
A ball that is thrown into the air
A car driving down a hill
A rubber band being stretched
Which of the following demonstrate an energy transformation?
When energy is 'lost' due to friction
An electric motor moving a car
A solar panel powering a home
A television projecting a show
What kind of energy is being shown in the picture?
Light
Gravitational
Potential
Kinetic
As the ball is dropped, the potential energy decreases while the kinetic energy increases however the amount of energy stays the same.
True
False
Which is the best example of kinetic energy?
A car sitting on top of a hill
A skateboard on the sidewalk
A wagon rolling down a hill
A powerwheel parked in the yard
How does energy transfer as the ball is bouncing?
Kinetic, Potential, Potential, Kinetic
Potential, Potential, Kinetic, Kinetic
Kinetic, Kinetic, Potential, Potential
Potential, Kinetic, Kinetic, Potential
Before fruit falls from a tree, how does energy flow?
Potential - Kinetic - Sound
Light - Kinetic - Heat
Potential - Sound - Heat
Solar - Kinetic - Heat
Which position has the highest potential energy?
1
2
4
6
A hair dryer goes through three energy transformations. What are they?
electrical
thermal
mechanical
mechanical
thermal
electrical
mechanical
electrical
thermal
thermal
electrical
mechanical
The picture showing the energy conversion
Electrical → light
is:
What is the energy conversion when you plug in a stereo and listen to music?
electrical to mechanical
chemical to heat
electrical to light
mechanical to sound
What is the energy conversion when you plug in a fan?
light to mechanical (motion)
electrical to heat
mechanical (motion) to light
electrical to mechanical (motion)
What is the energy conversion when water moves over a dam to power a city's energy grid?
electrical to light
mechanical (motion) to electrical
solar (light) to electrical
mechanical (motion) to light
Which of the following conversions is illustrated with a solar powered car?
radiant (light) to electrical
radiant (light) to mechanical (motion)
mechanical to radiant (light)
electrical to mechanical (motion)
What is the energy conversion when a wind turbine turns to provide energy to a power grid?
electrical to electrical
electrical to mechanical (motion)
mechanical (motion) to electrical
solar (light) to heat
An example of electrical energy transforming to thermal energy is
a fire burning.
using a toaster.
burning coal.
lighting a candle.
Energy of motion is also called ______________ energy.
Kinetic
Chemical
Thermal
Electrical
The object shown is responsible for which conversion
electrical → light only
chemical → heat only
chemical → heat & light
electrical → heat & light
