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WorksheetsLAw of Conservation of Energy
Total questions: 20
Worksheet time: 10mins
Energy is the ability to do____?
to do work
to move object
to turn on a light
to power things
When something is dropped, what type of energy transfer takes place?
Kinetic-Potential
Electrical- Chemical
Gravitational Potential- Kinetic- Sound
Heat- Nuclear
The law of Conservation of Energy states ..
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed
Energy can't be created, destroyed or transformed
Which energy transformation below matches?
Green plants?
chemical to mechanical
chemical to heat
solar to chemical
solar to mechanical
The faster an object moves, the ________ kinetic energy it has.
more
less
all of the above
none of the above
___________ is stored energy
Potential
Kinetic
none of the above
all of the above
At which point does potential energy greatest
W
X
Y
Z
At which point kinetic energy is greatest?
W
X
Y
Z
Which of the following is an example of a change of kinetic energy into gravitational potential energy?
a person parachuting out of a plane
a person skiing down a hill
a car racing around an oval track
a person walking up a hill
Click to look at the picture.
The picture is an example of _____ .
gravity
kinetic
potential
friction
Most of the energy that is used on Earth's surface comes from which of the following sources?
Radioactivity
Chemicals
The Sun
Wind
The five forms of energy that we've studied are:
Mechanical, Thermal, Kinetic, Electrical, Radiant
Mechanical, Thermal, Electrical, Radiant, Chemical
Mechanical, Electrical, Potential, Kinetic, Chemical
Mechanical, Thermal, Radiant, Electrical, Potential
Which type of energy is converted when fireworks release heat, light, and sound?
kinetic energy
elastic potential energy
chemical potential energy
electromagnetic energy
As height increases, so does...
Thermal energy
Mechanical energy
Kinetic energy
Potential energy
Gravitational potential energy depends on...
Height
Speed
Light
Time
These are all examples of kinetic energy, EXCEPT
A ball rolling down a hill
A car driving uphill
Someone kicking a soccer ball
A book sitting on a shelf
An object that has kinetic energy must be...
lifted above earth's surface.
in motion
at rest
none of the above
What are the two factors influence kinetic energy?
mass and weight
Speed and weight
speed and mass
particles and objects
Which type of energy comes from strumming a guitar?
Electrical
Radiant
ELectrical
Sound
What is the formula in calculating average speed?
S=Distance/Time
S=Mass/Time
M=Distance/Time
None of the above
