Energy
What is energy?
The ability to do work
True or False:
A ball sitting on the ground has potential energy.
True
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Lose 100 points!
Gravitational potential energy depends on an object's ________.
Weight and height above the ground.
Energy means using _____ to move an object over a ________.
Force, Distance
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Double Points!
What is Kinetic Energy?
Energy of moving matter.
True or false:
A ball held 30 meters above the ground has more gravitational potential energy than a ball being held 40 meters above the ground.
False
Name a form of energy.
Mechanical, Chemical, Electrical, Thermal, Light Sound, Kinetic, Potential, Etc…
What is Potential Energy?
Energy that is stored in a person or object.
True or False:
Sarah threw the baseball to the batter. The ball now has kinetic energy.
True
What is Gravitational Potential energy?
Potential energy due to an object's position above the earth's surface.
OH NO!
Lose 100 points!
Give an example of potential energy.
:D
The amount of kinetic energy something has depends on its _______.
Mass and velocity
Which object has more gravitational potential energy?
A wrecking ball weighing 1000 lbs and is 50 meters high
or
A wrecking ball weighing 5000 lbs and is 60 meters high
A wrecking ball weighing 5000 lbs and is 60 meters high
Name an example of energy transfer.
Kicking a ball, swinging a racket, pushing a table, etc.
Potential energy in an object depends on ______.
Its position compared to something else or shape
Give an example of kinetic energy.
:D
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Extra 200 points!