Energy Concepts Flashcards
1
Q
energy units
A
joule, calorie, kilowatt hour (KWh)
2
Q
power units
A
watt and horsepower
3
Q
1st law of thermodynamics
A
Energy cannot be created or destroyed, only transformed
4
Q
2nd law of thermodynamics
A
Entropy increases because energy lost as heat in energy transformations
5
Q
convection
A
transfer of heat by movement of heated matter
6
Q
conduction
A
transfer of energy through matter
7
Q
radiant energy
A
sunlight
8
Q
potential energy
A
energy at rest
9
Q
kinetic energy
A
energy in motion
