7 Forms of Energy 1
7 Forms of Energy 2
Kinetic Energy
Potential Energy
Random
100
The energy form that comes from heat
Thermal Energy
100
For example, x-rays, gamma-rays, microwaves, radio waves
Electromagnetic Energy
100
Kinetic Energy is the energy of ______.
motion
100
What are the two types of potential energy?
Elastic and gravitational
100
What is Energy?
The ability to do work or cause a change
200
Waves of vibration that travel through matter.
Sound Energy
200
The sum of kinetic and potential energy in an object that may be used to do work.
Mechanical Energy
200
Kinetic energy ________ as mass increases.
increases
200
What is potential energy?
Energy that is stored or held in readiness
200
Shooting an arrow is an example of which form of energy?
Elastic potential energy or mechanical energy.
300
Energy stored in the bonds of chemical compounds
Chemical Energy
300
For example, the energy that gets released when your body digests food.
Chemical Energy
300
Kinetic energy __________ as velocity decreases.
decreases
300
What is the equation for gravitational potential energy?
GPE = mgh
300
Is chemical energy potential or kinetic?
Potential
400
The energy stored in the nucleus of the atom.
Nuclear Energy
400
For example, the energy that travels through telephone wires
Electrical Energy
400
A 1,500 kg race car is traveling at 60 m/s around a track, what is the kinetic energy of the race car?
2,700,000 J
400
A 6 kg ball sits on a ledge that is 12 m off the ground. What is the GPE?
705.6 J
400
A 6 kg dog is running through the park and has a kinetic energy of 5 J. What is the speed of the dog?
1.29 m/s
500
When magnetic forces cause electrons to move from one atom to another.
Electrical Energy
500
For example, the energy that is created when a hammer hits a nail
Mechanical Energy
500
A marathon runner travels at 5 m/s with 10 J of kinetic energy. What is the mass of the runner?
0.8 kg
500
A cat sits on a roof that is 40 m high. The cat has 10 J of GPE. What is the mass of the cat?
0.0255 kg
500
A 0.5 kg glass of water sits on a table 4 m off the ground. What is the GPE of the glass?
19.6 J
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