Energy Efficiency
Energy Types
Transformation/Transfer
Heat Energy
100

The energy efficiency if:

Total Energy = 300KWh

Useful Energy = 125KWh

What is 41.7%?
100
Type of energy that is carried by electromagnetic waves. Light is an example of this type of energy.
What is radiant energy?
100
The movement of energy from one place to another.
What is energy transfer?
100
The transfer of thermal energy from one place to another.
What is heat?
200
The energy turned into light if a bulb receives 40J of energy and loses 35J as heat.
What is 5J?
200
Energy that is determined by an objects postion.
What is potential energy?
200
Changing energy from one type to another.
What is energy transformation?
200
The direction of heat transfer.
What is Warm to Cold?
300
Energy efficiency of a TV if it receives 500J of electricity and loses 200J as heat.
What is 60%?


300
The type of energy stored in food.
What is chemical energy?
300
One of the energy transformations that occurs in an Iphone.
What is chemical to electric, electric to sound, electric to radiant?
300
A measure of the average speed of particles in an object.
What is temperature?
400
Amount of energy lost by a light bulb if it is 15% efficient and receives a total of 200J of electricity.
What is 170J?
400
Energy stored as a result of deformation of an object.
What is elastic energy?
400
The initial and final energy in a toaster.
What is electrical and thermal energy?
400
Has the greater amount of thermal energy between a cup of water at 100 degrees and a bath at 50 degrees.
What is a bath at 50 degrees?
500

Cost to heat a home if it is 75% efficiency, requires 3000KWh of useful energy and 1KWh costs $0.10.

What is $400?
500
The combination of kinetic and potential energy.
What is mechanical energy?
500
All energy types involved in the process of production of energy in the sun to photosynthesis.
What are nuclear, radiant and chemical energy?
500
Temperature of water if you mix the same amount of 25 degree water and 85 degree water?
What is 55 degrees?
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