WorksheetsRenewable and Non-Renewable Energy Sources
Total questions: 73
Worksheet time: 2hrs 34mins
What are most solar cells made from?
Copper
Concrete
Silicon
Coal
What is the carrier of the electric current from solar cells?
Silicon atoms
Electrons
Water
Holes
What from the Sun causes the solar cell to produce the electricity?
Photon particles of sunlight
The heat from the Sun
The shadow under the solar cell
How efficient are most commercial solar cell systems?
Less than 10%
15-20%
As high as 46%
More than 70%
True or False? Wind turbines generate electricity all the time.
True
False
What kind of advances in wind power generation will help us integrate more wind energy into our electricity system? Select all that are correct.
Wind forcasting
Wind turbine blade design
Electrical grid infrastructure
Electrical storage technology
Human wind creation
What electricity generation group is wind energy in?
Fossil fuel
Nuclear
Renewable
Geothermal
What are wind turbine blades primarily made of?
Concrete
Steel
Fiberglass
Wood
What are the main technologies used to create tidal electricity? Select all that are correct.
Tidal barrages
Tidal fences
Tidal turbines
Tidal pools
Why is tidal power considered a predictable energy source?
It can be installed easily
Ocean currents generate more energy than air currents
The ocean's tidal patterns are well understood
What temperature is the cooking oil heated up to in the process of making biodiesel?
100 degrees
150 degrees
200 degrees
250 degrees
What is/are the final product(s) of the biodiesel-making process? Select all that are correct.
Glycerin
Biodiesel
Water
Food particles
Where does the biodiesel go after being aerated in storage tanks?
Fuel pump
Reactor
Truck
Heater
True or False? Solar energy is the most abundant energy resource on earth.
True
False
What is a disadvantage of using wind energy?
It causes air pollution
It is not a reliable source
It is very expensive
It uses a lot of water
What is the main ingredient in the production of biodiesel?
Coal
Vegetable oil or animal fat
Natural gas
Wood
Which of the following is a limitation of solar energy?
They have minimal impact on the environment.
They do not produce air pollutants.
They work very efficiently on cloudy days.
A large surface area is ncessary to collect a useful amount of energy.
Wind turbines can produce electricity for a single home, or they can be connected to an electrical grid for widespread electricity generation.
True
False
Maybe
A benefit to wind energy is that thre is a rapid growth of the industry, with a large potential for electricity generation and job creation.
True
False
Maybe
Wind energy never poses a threat to wildlife.
True
False
Maybe
Make the use of the potential energy in the difference in height between high and low tides.
Tidal Barrage
Tidal Pool
Tidal Building
Tidal Flow
Wave power devices extract energy from the surface motion of
Tides
Waves
Tsunamis
Hurricanes
Wind turbines are shut down to prevent damage when
Wind speed is too slow
Wind speed is too fast
During thunderstorms
During winter
Can be accessed in areas where hot springs/geothermal reservoirs are near the surface of the Earth.
Geothermal heat pumps
Hot water into light
Direct geothermal energy
Geothermal power plants
In the picture, Mechanical Energy is transferred to _____ Energy.
Solar
Mechanical
Electrical
Potential
Which of the following type of energy DOES NOT use a turbine?
Hydroelectric
Wind
PV Solar
Tidal
What is/are possible downside(s) to hydroelectric energy?
pollution created when building the cement dam
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid
1 – generator converts mechanical energy into electrical energy
2 – wind turns the wind turbine blade
3 – the gear box transfers mechanical energy to the generator
4 – electricity is transferred to the grid
Which of the following is the correct order of events for hydropower
storage of potential energy, gate control, penstock kinetic energy release, turbine spin, generator production, transformer
gate control, storage of potential energy, penstock kinetic energy release, turbine spin, generator production, transformer
gate control, storage of potential energy, turbines spin, penstock kinetic energy release, generator production, transformation
How would you increase the electric production from one wind turbine
make it taller
apply the brake and slow the blades down to catch the wind better
make it shorter
pitch or yaw blades out of the wind to control production
Which letter represents the generator?
C
D
E
F
Which letter represents the turbine?
C
D
E
F
Which letter represents mechanical energy?
C
D
E
F
Which letter represents mechanical energy being converted to electrical energy?
C
D
E
F
Which letter represents kinetic energy of moving water?
C
D
E
F
#6
gear box
nacelle
shaft
generator
#13
gear box
nacelle
brake
yaw drive
#4
nacelle
main turbine shaft
brake
yaw drive
#9
blade
wind vane
anemometer
yaw drive
#3
blade
wind vane
anemometer
nose
#8
gear box
nacelle
shaft
generator
What is Geothermal Energy?
Energy produced by moving water
Energy produced by the sun
Energy produced by the wind
Energy produced by heat within the Earth
What are TWO disadvantages of hydroelectric power?
Lasts longer than other energy sources
Changes the flow of the river
Disrupts the ecosystem
The water will run out
Water for drinking, agriculture and recreation are BENEFITS of hydroelectric power
TRUE
FALSE
Which TWO of these are BENEFITS of hydroelectric power?
Lasts for a short period of time
Inexpensive to operate
Increases air pollution
Flood control
What is the purpose of the dam in the hydroelectric power plants?
protects the animals
Allows boats to pass through
Recreation
holds back the reservoir of water
Where is the energy in a photovoltaic cell stored?
collectors
nucleus
batteries
Solar cells convert the sun's energy into electricity through...
Biomass triangulation
Photovoltaic cells
Organic waste bins
hydroponic plants
Which of these is NOT a renewable energy source?
Solar
Wind
Coal
Geothermal
What do batteries do in relation to renewable energy?
They are intermittent
They store excess energy for later use
They disrupt wildlife and migration patterns
They are often free
Nuclear power accounts for about 20% of the total net electricity that is used in the United States. Nuclear power plants use the energy released when the nucleus of a heavy atom splits into two lighter nuclei. This process is called....
fusion
fission
conduction
radiation
Fossil fuels are classified as nonrenewable because they...
require expensive equipment
can be found all over
take millions of years to replace
provide all the energy we use
The decay of tiny marine organisms that accumulated on the ocean floor millions of years ago create
uranium
coal
oil and natural gas
Electric generators work by
converting oil into electricity
turning mechanical energy into electrical energy
turning the turbines in a dam
Coal forms from the remains of ________ that lived in swamps hundreds of millions of years ago that were compressed over time.
plants
reptiles
amphibians
Natural resource that cannot be remade or re-grown at a scale comparable to its consumption.
Non-renewable resource
Renewable Resource
Used up resource
Sun resource
Nuclear energy uses ________ to generate electricity.
Radon
Plutonium
Uranium
Polonium
A common impurity in coal that causes environmental pollution is ______.
Silver
Sulfur
Selenium
Strontium
This type of coal burns the cleanest.
Bituminous
Subbituminous
Anthracite
Lignite
Why does natural gas need to be processed before it can be used as a fuel? Select all that apply.
It sometimes has water in it.
In order to make it flammable.
Some of the unprocessed natural gas has poisonous chemicals in it.
So that it can be transported easier.
What are the important fuels that come out of the oil refining process? Select all that apply.
deisel
coal
gasoline
heating oil
Which of the following are disadvantages of fossil fuels?
They are limited in supply.
They cause air pollution when used to produce energy.
They are not abundant.
They have a low energy output.
How do we obtain petroleum?
Surface mining
Placer mining
Drilling into the Earth
Splitting uranium nucleai
The original source of most energy sources is
the Earth
the wind
the Sun
cosmic radiation
Using the formula Energy = Power * Time, solve the following equation:
How long would it take a wind turbine with a power of four million watts to produce three billion joules of energy? The answer needs to be in hours. Round to the nearest tenths place.
(a)
Your wind turbine has a wind speed of 10 m/s and produces 4.7 MW of power. You magically double the wind speed to 20 m/s and it now produces 38 MW of power. How many more times power should you expect? Round to the nearst ones place.
(a)
Your wind turbine blades at 100 meters in length produce 26 MW of power. Keeping all other factors the same, you increase the blade length to 200 meters, and it now produces 107 MW of power. How many times more energy is produced? Round to the nearest ones place.
(a)
*In one or two sentences, describe at least two considerations wind farm companies must take into account before building a wind farm.
*In a few sentences, describe what you believe to be the best-designed energy production type. You must explain in detail why you believe it is the best energy type and you must use terminology from our Natural Resources/Energy unit.
