Energy Sources (HL Option C.1) Flashcards
1
Q
What makes a good energy source?
A
- contain a large quantity of potential energy
- energy has to be released at a reasonable rate
- minimal pollution and unwanted waste products
2
Q
What are two ways that the quality of energy may be determined?
A
cost per unit energy, efficiency in its conversion
3
Q
What is energy density?
A
the energy released per unit volume of fuel
4
Q
What is specific energy?
A
the energy released per unit mass of fuel
5
Q
What is the international Energy Agency?
A
Organization that works to ensure reliable. affordable, and clean energy.
6
Q
What is entropy?
A
The distribution od energy among the particles of a material
7
Q
How do you calculate the efficiency of energy transfer?
A
usable output / total input
8
Q
What are examples of renewable energy resources?
A
Solar, Wind, Biomass, Water, Geothermal, Fuel Cells
9
Q
What is the largest commercially used form of renewable energy?
A
Geothermal
