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6.1 GENERATION OF ELECTRICITY

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

hydro energy

wind energy

geothermal energy

wave energy


All of these are (a)   energy sources.

2.

These energy sources are non-renewable, except

a)

nuclear

b)

biomass

c)

natural gas

d)

petroleum

3.

State the energy source involved to rotate the windmills to generate electricity.

(a)  

4.

Complete the energy changes for power stations using non-renewable energy :


___________________ --> heat energy --> __________________ --> electrical energy

a)

chemical energy, potential energy

b)

chemical energy, kinetic energy

c)

kinetic energy, chemical energy

5.

Complete the energy changes for hydroelectric power station :


___________________ --> ____________________ --> electrical energy

a)

kinetic energy, gravitational potential energy

b)

gravitational potential energy, kinetic energy

c)

gravitational potential energy, chemical energy

d)

kinetic energy, heat energy

6.

Complete the energy changes for power station using nuclear fuel :


___________________ --> ____________________ --> _______________________ --> electrical energy

a)

heat energy, nuclear energy, kinetic energy

b)

kinetic energy, nuclear energy, heat energy

c)

nuclear energy, heat energy, kinetic energy

7.

Complete the energy changes for power station using biomass :


___________________ --> ____________________ --> _______________________ --> electrical energy

a)

heat energy, chemical energy, kinetic energy

b)

chemical energy, heat energy, kinetic energy

c)

kinetic energy, heat energy, chemical energy

8.
Which of the following is NOT a renewable resource?
a)
nuclear
b)
biomass
c)
geothermal
d)
hydropower
9.
What form of energy gets its energy from burning fuel or the acid in batteries?
a)
mechanical
b)
chemical
c)
electrical
d)
thermal
10.
Thermal energy has to do with __.
a)
motion
b)
light
c)
electrical current
d)
heat
11.

Fossil fuels are __.

a)

coal, petroleum, biomass

b)

natural gas, hydropower, nuclear

c)

coal, petroleum, natural gas

d)

petroleum, wind, geothermal

12.
True or False:  Renewable energy takes millions of years to renew.
a)
TRUE
b)
FALSE
13.
Which nonrenewable resource is made from dead plants?
a)
natural gas
b)
coal
c)
nuclear
d)
oil
14.
Geysers and volcanoes are examples of __
a)
hydropower
b)
natural gas
c)
geothermal
d)
biomass
15.
Burning fire is an example of __ energy.
a)
electrical
b)
mechanical
c)
nuclear
d)
chemical
16.
Kinetic and potential energy are examples of __ energy.
a)
nuclear
b)
mechanical
c)
electrical
d)
thermal
17.
Turbines are used to collect energy from __ and is a __ resource.
a)
hydropower, renewable
b)
hydropower, nonrenewable
c)
wind, renewable
d)
wind, nonrenewable
18.

Batteries store energy as _________ energy.

a)

motion

b)

solar

c)

chemical

d)

electrical

19.

What is the best definition for fossil fuel?

a)

Fuels that form many years from the remains of once living organisms.

b)

Saving resources by using them wisely.

c)

Something that comes from nature that people can use.

d)

Harmful substances in the environment.

20.

What is the best definition for nonrenewable resource?

a)

A resource that can be replaced (made again) easily.

b)

A natural resource that can be used up. It will run out and that’s it.

21.

What is the best definition for renewable resource?

a)

A resource that can be replaced (made again) easily.

b)

A natural resource that can be used up. It will run out and that’s it.

22.

Renewable or nonrenewable? Trees

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

23.

Renewable or nonrenewable? Water

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

24.

Renewable or nonrenewable? Coal

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

25.

Renewable or nonrenewable? Wind power

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

26.

Renewable or nonrenewable? solar power

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

27.

Which is better for our planet? Fossil fuel energy or renewable (green) energy?

a)

Fossil fuels that run out and cause pollution

b)

Renewable or green energy that does not run out and will save our planet

28.
Hot water is pumped up from deep inside Earth and is used to heat homes or to generate electricity. This describes...
a)
biofuels
b)
hydroelectric energy
c)
geothermal energy
d)
hot water heating
29.
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)
potential energy
30.
One problem with ____ energy is that it produces radioactive waste. 
a)
nuclear
b)
solar
c)
tidal
d)
geothermal
31.

Petroleum, natural gas and coal are called ________resources because they are not easy to replace.

a)

expensive

b)

cheap

c)

natural resources

d)

nonrenewable

32.
Fossil fuels are a major source of air pollution and therefore, a major contributor to _____________________!
a)
ozone depletion
b)
global warming
c)
skin cancer
d)
none of the above
33.
Why are fossil fuels more widely used than solar energy?
a)
Solar energy is harder to find
b)
Fossil fuels are much cheaper
c)
Fossil fuels are more abundant
d)
The sun's energy can never be harnessed
34.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
35.
What problems are caused by using fossil fuels?
a)
Air pollution, Climate change, oil spills, acid rain
b)
Air pollution only
c)
Oil spills only
d)
Climate change only
36.
A type of energy that is renewable because it uses the sun's energy is
a)
nuclear energy
b)
biomass energy
c)
solar energy
d)
geothermal energy
37.
A type of energy that is made by splitting uranium atoms is
a)
solar energy
b)
nuclear energy
c)
biomass energy
d)
water energy 
38.
A type of energy that is renewed in a short time and is made of fuels that are made from wood, dried plants and garbage is
a)
biomass
b)
solar energy
c)
water energy
d)
nuclear energy
39.

Energy sources can be classified into two groups, namely

a)

renewable energy and non-renewable energy sources

b)

new energy and old energy sources

c)

small energy and large energy sources

d)

organic source and non-organic sources

40.

Renewable energy means

a)

Energy sources that can be replaced continually and will never deplete.

b)

Energy sources that cannot be replaced and will deplete.

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