which of the following explains how photosynthesis relates to the flow of energy through the biosphere
A) Trophic level of organization
B) Nuclear energy
C) Earth's core
D) Specific heat
2.
Which of the following energy resources is the most widely used?
A) Petroleum
B) Solar
C) Wind
D) Biomass
3.
Which of the following energy resources involves the harnessing garbage as an energy source
A) Geothermal
B) Biomass
C) Hydroelectric
D) Solar
4.
Which of the following is a disadvantage to solar power?
A) Cleaner than fossil fuels
B) Less expensive than fossil fuels
C) Can absorb energy 24 hours a day
D) More expensive than typical energy resources
5.
Identify which statements are true about Fossil Fuels.
A. True
B. False
Is related to photosynthesis
Cleaner than hydropower
Has the potential to supply only a small portion of our energy needs
Non-renewable
Includes natural gases
6.
Chemical energy is the form of energy associated with which of the following?
A) Hydrogen bombs
B) The sun
C) Chemical bonds
D) Batterys
7.
What kind of heat is involved in the phase change that is occuring along the line labeled B?
A) Latent heat
B) hot heat
C) Specific heat
D) Heat loss
8.
Which of the following spots contains the lowest amount of kinetic energy?
A) spot labeled A
B) spot labeled B
C) spot labeled C
D) spot labeled D
9.
Why does the temperature remain unchanged along the line marked B eventhough the heat is increasing?
A) Heat is being used to break bonds
B) Heat is causing the kinetic energy to increase
C) Specific heat
D) The heat is lost
10.
The 2nd law of thermodynamics states that for every conversion of energy a certain amount of energy is transformed into _____________________________?
A) An unusable form
B) Oil
C) A higher quality form
D) Alternative energy resources
11.
The second law of thermodynamics states that:
A) Energy is never conserved
B) Energy cannot be created or destroyed
C) Energy always involves fossil fuels
D) Energy can only be converted in one direction naturally