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WorksheetsEnergy - Week 2 Recap
Total questions: 30
Worksheet time: 25mins
Name
Class
Date
1.
The non-renewable energy resources are…
a)
Geothermal, wave, wind, solar, tidal, HEP, Biofuels
b)
Coal, OIl, Gas, Nuclear
c)
Powerstations
d)
Step-up and step-down transformers
2.
The energy resources are weather dependent are…
a)
Solar and wind
b)
Coal, OIl, Gas, Nuclear, Geothermal and HEP
c)
Coal, OIl, Gas and Nuclear
d)
Nuclear and Wind
3.
Which energy resourcs produce carbon dioxide
a)
Coal, OIl, Gas, Biofuels
b)
Nuclear
c)
Solar and wind
4.
Which energy resources produce sulphur dioxide
a)
Coal
b)
Biofuels
c)
Wind
5.
Most forms of electrical generation rely on a turbine. Which form doesn't?
a)
Tidal
b)
Hydro
c)
Solar
d)
Wind
6.
What are the 3 fossil fuels?
a)
Coal, Crude Oil, Natural Gas
b)
Coal, Wood, Cooking Oil
c)
Wood, Petrol, Natural Gas
d)
British Gas, Coal, Wood
7.
We can only make electricity from fossil fuels. True or False?
a)
Science can't answer this.
b)
TRUE
c)
This only applies to America.
d)
FALSE
8.
Where do solar (photovoltaic) cells get their initial energy from?
a)
The sky.
b)
The Sun.
c)
Rain
d)
The National Grid.
9.
A light bulb converts 100J of electrical energy into 40J of light energy. What is it’s efficiency as a percentage?
a)
140%
b)
60%
c)
40%
d)
Impossible to say.
10.
95% of all electricity is produced from this mechanical device
a)
a motor
b)
the power station
c)
a turbine and magnet generator
d)
a transmission line
11.
Which of the following is not a renewable energy resourse
a)
Natural gas
b)
Hydro electric power
c)
Wind Power
d)
Solar panels
12.
Wind energy is
a)
generated from moving water
b)
starts with moving air and generates electricity
c)
starts with the sun
d)
comes from the earth
13.
Energy from the sun is called
a)
Biofuels
b)
Solar
c)
Geothermal
d)
Hydroelectric
14.
As water flows through a dam, a generator is turned and creates enough electricity for thousands of homes. This describes...
a)
biofuels
b)
hydroelectric energy
c)
geothermal energy
d)
solar power
15.
Which type of alternative energy source is shown in this picture?
a)
Wind
b)
Solar
c)
Hydroelectric
d)
Geothermal
16.
Examine the diagram of a fossil fuel power plant. What component changes kinetic energy to electrical energy?
a)
boiler
b)
condenser
c)
generator
d)
turbine
17.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
18.
The energy resource that is most affected by change in weather is_____________?
a)
geothermal
b)
wind
c)
nuclear
d)
natural gas
19.
What is biomass?
a)
energy from the sun
b)
energy from water
c)
energy from wind
d)
energy from plant and animal waste
20.
Works best in the daytime
a)
Coal
b)
Wind
c)
Solar
d)
Hydroelectric
21.
Gives off large amounts of Carbon Dioxide
a)
Solar
b)
Wind
c)
Coal
d)
Nuclear
22.
Which of these is non-renewable?
a)
Wind
b)
Oil
c)
Solar
d)
Tidal
23.
Which of these has kinetic energy as its useful energy output?
a)
radio
b)
TV
c)
drill
d)
toaster
24.
What is the wasted energy from a hairdryer?
a)
Kinetic
b)
Thermal
c)
Sound
25.
When a roller coaster is at the top of a hill it has
a)
high potential energy
b)
high kinetic energy
c)
low potential energy
d)
equal amounts of kinetic and potential energy
26.
Energy is measured in
a)
kilograms
b)
meters
c)
Joules
d)
m/s
27.
Electric current is the flow of ______________________
a)
electrons
b)
protons
c)
neutrons
d)
both protons and neutrons
28.
The diagram above shows a wind turbine. Which section of the wind turbine converts wind energy to electrical energy?
a)
blades
b)
generator
c)
rotor
d)
pitch system
29.
The only means of generating electricity that does not involve a magnet & coil is.. .. ?
a)
solar
b)
wind
c)
wave
d)
nuclear
30.
What is an example of a biomass?
a)
Coal
b)
Wood
c)
Gas
d)
Solar
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