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- 1. Multiple Choice
Energy is:
The ability to do work
The amount of power
Movement
Causing things to happen
- 2. Multiple Choice
Kinetic energy is
Stored energy
Force acting on objects
Associated with movement
Measured in speed
- 3. Multiple Choice
Potential energy is:
A type of kinetic energy
A fuel
Associated with movement
Stored energy
- 4. Multiple Choice
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)
- 5. Multiple Choice
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
- 6. Multiple Choice
Mass is measured in:
J
lbs
kg
N
- 7. Multiple Choice
What type of energy is in this picture?
Kinetic energy
Rubber energy
Elastic energy
Stored energy
- 8. Multiple Choice
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
- 9. Fill in the Blank
Energy is neither created or destroyed, it is simply transferred between objects or transformed into
- 10. Multiple Choice
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
- 11. Multiple Choice
Work is equal to:
Force x distance
Power divided by time
Mass x distance
Newtons x metres
- 12. Multiple Choice
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
- 13. Multiple Choice
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
- 14. Multiple Choice
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
- 15. Multiple Choice
What energy transformation would occur in a toaster?
Electrical to thermal
Thermal to mechanical
Radiant to electrical
Solar to thermal
- 16. Multiple Choice
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
- 17. Multiple Choice
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
- 18. Multiple Choice
If the speed of an object increases, what also increases?
Potential energy
Kinetic energy
- 19. Multiple Choice
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
- 20. Multiple Choice
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
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