Free Printable Science Form 3_Chap 6.1 Generation of Electricity

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Worksheets

Science Form 3_Chap 6.1 Generation of Electricity

Total questions: 40

Worksheet time: 22mins

Name

Class

Date

1.

Which of the following is NOT a renewable resource?

a)

nuclear

b)

biomass

c)

geothermal

d)

hydropower

2.

What form of energy gets its energy from burning fuel or the acid in batteries?

a)

mechanical

b)

chemical

c)

electrical

d)

thermal

3.

Thermal energy has to do with __.

a)

motion

b)

light

c)

electrical current

d)

heat

4.

Fossil fuels are __.

a)

coal, petroleum, biomass

b)

natural gas, hydropower, nuclear

c)

coal, petroleum, natural gas

d)

petroleum, wind, geothermal

5.

True or False: Renewable energy takes millions of years to renew.

a)

TRUE

b)

FALSE

6.

Which nonrenewable resource is made from dead plants?

a)

natural gas

b)

coal

c)

nuclear

d)

oil

7.

Geysers and volcanoes are examples of __

a)

hydropower

b)

natural gas

c)

geothermal

d)

biomass

8.

Burning fire is an example of __ energy.

a)

electrical

b)

mechanical

c)

nuclear

d)

chemical

9.

Kinetic and potential energy are examples of __ energy.

a)

nuclear

b)

mechanical

c)

electrical

d)

thermal

10.

Turbines are used to collect energy from __ and is a __ resource.

a)

hydropower, renewable

b)

hydropower, nonrenewable

c)

wind, renewable

d)

wind, nonrenewable

11.

Batteries store energy as _________ energy.

a)

motion

b)

solar

c)

chemical

d)

electrical

12.

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.

13.

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.

14.

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.

15.

Renewable or nonrenewable? Trees

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

16.

Renewable or nonrenewable? Water

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

17.

Renewable or nonrenewable? Coal

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

18.

Renewable or nonrenewable? Wind power

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

19.

Renewable or nonrenewable? solar power

a)

Renewable resource (can make more)

b)

nonrenewable resource (will run out)

20.

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

21.

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

22.

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

23.

One problem with ____ energy is that it produces radioactive waste.

a)

nuclear

b)

solar

c)

tidal

d)

geothermal

24.

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

a)

expensive

b)

cheap

c)

natural resources

d)

nonrenewable

25.

Which alternative energy source does this information describe?

a)

Hydroelectricity

b)

Solar energy

c)

Biofuels

d)

Wind

26.

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

27.

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

28.

The purpose of the panels is to change solar energy into ____________.

a)

light energy

b)

electrical energy

c)

chemical energy

d)

mechanical energy

29.

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

30.

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

31.

A type of energy that is made by splitting uranium atoms is

a)

solar energy

b)

nuclear energy

c)

biomass energy

d)

water energy

32.

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

33.

An electric current that continually reverses direction over time is known as a(n)

a)

direct current

b)

alternating current

c)

simple current

34.

An electric current flowing in one direction only

a)

voltage

b)

parallel current

c)

direct current

d)

electric current

35.

Electric currents passing through wires will produce a(n)

a)

solenoid

b)

magnet

c)

magnetic field

d)

insulator

36.

The function of a generator is to change ____.

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

electrical energy to chemical energy

d)

chemical energy to electrical energy

37.

A dry-cell battery produces ____.

a)

an alternating current

b)

a direct current

c)

both direct and alternating current

d)

the same current that a generator produces

38.

Diagram shows a trace on the screen of a C.R.O. when a signal is connected across the Y-input. What type of signal is applied across the Y-input and what is the condition of the time-base?

a)

alternating current, switched off

b)

direct current, switched off

c)

alternating current, switched on

d)

direct current, switched on

39.

X-plates is

a)

positioned vertically to deflect the electron beam in horizontal direction

b)

positioned horizontally to deflect the electron beam in vertical direction

40.

This is observed on a screen when

a)

an a.c. power supply is connected to the Y-input and the timebase is switched off

b)

an a.c. power supply is connected to the Y-input and the timebase is switched on

c)

a d.c. power supply is connected to the Y-input and the timebase is switched off

d)

a d.c. power supply is connected to the Y-input and the timebase is switched on

100 %

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