Why is solar energy considered renewable?
What is the sun is expected to burn for many, many more years?
Most of the energy used in the U.S. comes from....
What are fossil fuels?
Name 2 disadvantages of solar power?
What is expensive to install, limited on location, and can only capture solar rays during daylight hours?
The unit for energy
What is the joule (J)?
What is coal, natural gas, and oil/petroleum?
U.S. currently consumes most of its energy for
What is transportation?
Energy conservation means
What is using less energy?
Define alternative energy
What is a nonrenewable source that is NOT a fossil fuel?
Which category of energy causes excess amounts of CO2 to enter our atmosphere?
What is nonrenewable?
Name 2 advantages of solar energy:
What is inexhaustible, clean (no pollution), return investment, less dependence on fossil fuels
Do we currently use more renewable or nonrenewable resources? Why?
What is nonrenewable resources, because of the potential energy and accessibility of fossil fuels?
Geothermal energy is nonrenewable or renewable
What is renewable?
The oldest natural energy source
What is biomass?
What is 35%?
Potential energy means
What is the energy an object has while at rest (stored) or is elevated above the ground (height)?
Hoover Dam is a major source of __________ energy.
What is hydroelectric/hydropower?
Uranium is nonrenewable or renewable?
What is nonrenewable (alternative)?
Potential and kinetic energy are considered which type of energy?
What is mechanical energy?
True of False: The U.S. uses more energy than any other country in the world.
What is false?