Advantages & Disadvantages
This energy source provides flood control and can create water reservoirs for recreational purposes.
hydropower
People can conserve energy in their daily lives by driving a vehicle
a. that is fuel efficient
b. instead of taking a bus or train
c. with a large gas tank
d. mostly for long distances
A. that is fuel efficient
The sun's uneven distribution of heat within the air creates ______________ energy
wind
triple points
Using the sun directly, without moving parts is called _____________ solar heating. When machinery is used such as a solar collector or photovoltaic cell it is called _______________ solar heating.
passive; active
If something is not used up faster than it can be produced, it is classified as a _____________ energy source.
renewable
Flooding of habitats, disruption of ecosystems, and reduced productivity of farmland are disadvantages of
hydropower
steal 200 from one team
The fastest growing renewable energy source is
wind power
Which renewable energy source does not originate from the sun?
geothermal
Give an example of passive solar energy
windows, sun directly heating a body of water, etc.
double points
A bunch of wind turbines in an area is called a
wind farm
This energy source is cost effective, generates a lot of electricity, and can be built on preexisting farmland without taking up too much space.
wind power
choose one team who answered correctly, to not collect points
Ethanol is blended with gasoline and is called______________. Using this fuel is a way driving traditional modes of transportation can be more environmentally friendly in the future.
gasohol
During geothermal energy production, where does the leftover liquid go?
it is pumped back underground into the hot rock
Imagine an area filled with geysers which are erupting with hot water and steam. Which renewable energy source would be a good fit for this location?
geothermal
Which renewable energy source produces greenhouse gases?
biomass/ biofuel
double points
This source of energy uses a lot of land and water which could be used for food production. It also can create habitat loss and erosion.
biomass/biofuel
This source can easily be used for heating and cooking without installing technology and is popular in developing countries.
biomass
double
Decomposing biomass produces ______________ gas which can be used to generate electricity.
methane
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Sunlight falls on a semiconductor, causing it to release electrons, in which specific type of active solar power?
photovoltaic cells
only this team collects
How does the cost of installing a dam differ from maintaining it?
This energy source only creates a small electric current.
solar energy
(specifically photovoltaic cells)
Small amounts of energy can be produced from small streams without building a dam through ________________ which is gaining popularity in developed countries
micro-hydropower
One type of active solar power uses ___________________ to to heat water through a heat exchanger.
solar collectors
What is the name of the specific type of biofuel which is derived from corn and is blended with gasoline?
ethanol
double
In developing countries, biomass is frequently used for what activities?
heating and cooking
collect an extra 200