Saturday, 30 August 2014

ENERGY FLOW AND SYSTEM TERMINOLOGY


ENERGY FLOW AND SYSTEM

Select the correct term to complete the sentences.
chemical energy
nuclear energy
horsepower
watt
joule
mechanical energy
electrical energy
power
efficiency
energy conversion
steady state
thermal energy
second law of thermodynamics
food chain
radiant energy

1. Light is a form of ____.
2. ____ results from splitting or fusing atoms.
3. Energy stored in a candy bar is an example of ____.
4. ____ can be used to do work whenever there is a temperature
difference.
5. Kinetic and potential energy are both forms of ____.
6. ____ is the amount of energy changed divided by the time it takes.
7. One ____ is equal to one joule per second.
8. One ____ is equal to 746 watts.
9. When work is done by heat flowing, the output work is always less
than the amount of heat that flows. This is a statement of the ____.
10. The flow of energy almost always involves ____.
11. ____ means there is a balance between energy in and energy out so
the total energy remains the same.
12. A ____ is a way of describing the flow of energy between living
things.