Solar and Wind
The type of solar heating that uses sunlight to heat a building directly
What is passive [solar heating]?
Type of renewable energy that circulates fluid from the Earth to pumps within homes
What is geothermal energy?
Type of renewable energy that comes from using falling/moving water to turn a turbine.
What is hydroelectric [energy]?
An alternative energy source that uses the rise and fall of the ocean to generate electricity in small amounts
What is tidal power?
A type of car that has both a gasoline engine and an electric motor
What is a hybrid?
Wind turbines over the years are becoming [more/less] expensive and [more/less] efficient.
Answer is [less expensive] and [more efficient]
What is biomass?
The fastest growing source of energy in the world
What is wind?
Name the 2 ways an alternative energy source can eventually become a main renewable energy source
Answers must be close to: cost effective & not that bad for the environment
You will use much less energy washing clothes in [warm/cold] water.
Answer is [cold water]
The type of solar heating that requires the use of a solar panel
What is active [solar heating]?
[DAILY DOUBLE] A gas produced by certain bacteria that can be burned to generate heat or electricity.
What is methane?
Type of renewable energy that comes from water heated naturally from inside the Earth
What is geothermal [energy]?
An alternative energy source that boils water at lower temperatures in a vacuum chamber. This water is often gathered from both the surface and bottom of the ocean.
What is Ocean Thermal Energy Conversion [OTEC]?
The percentage (%) of energy used in the United States that is wasted
What is 40?
Name 2 disadvantages to solar energy
Answers can vary, but should be close to: don't work as well at night (need batteries), produce very little electricity, initial installation is expensive
Name the main reason why new dams for hydroelectric energy may not be built in the United States
Answer can vary, but should be close to: We've already dammed up our major waterways
Type of renewable energy that uses photovoltaic cells.
What is active solar [heating]?
[DAILY DOUBLE] An element that could be used as a fuel source of the future due to how much of it there is and how clean it burns
What is hydrogen?
Name 3 ways you could save energy at home
Answers vary
A large array of wind turbines
What is a wind farm?
A variation of hydroelectric energy that works in smaller waterways
What is micro-hydropower?
Disadvantages of this renewable energy source include habitat loss, soil erosion, and air pollution
What is biomass?
A device that produces electricity chemically by combining hydrogen fuel with oxygen from the air
What is a fuel cell?
The process of producing two useful forms of energy from the same fuel source
What is cogeneration?