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KSSM form 2 Science Chapter 7 Electricity

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

what is the unit for energy?

a)

newton

b)

joule

c)

force

d)

volt

e)

ampere

2.

energy __________ be created and destroyed.

a)

can

b)

cannot

3.

which one is renewable energy?

(there is more than 1 answer)

a)

fossil fuel

b)

water

c)

solar

d)

radioactive substances

e)

wind

4.

what is the energy change for a burning candle?

a)

chemical energy → light energy

b)

chemical energy → heat energy + kinetic energy

c)

light energy → heat energy + chemical energy

d)

chemical energy → light energy + heat energy

5.

what is the name of positive charge?

a)

electron

b)

neutron

c)

proton

d)

nucleus

6.

what is the name of negative charge?

a)

neutron

b)

electron

c)

proton

d)

nucleus

7.

like charges _________ each other.

a)

attract

b)

repel

c)

touch

8.

unlike charges ________ each other.

a)

repel

b)

attract

c)

touch

9.

p is positively- charged.

what charge is Q?

a)

positive

b)

negative

c)

neutral

10.

what is the name of this tool?

a)

insulator

b)

dosimeter

c)

electroscope

d)

microscope

11.

what is the unit for voltage?

a)

ampere

b)

current

c)

volt

d)

resistance

12.

what is the unit for current?

a)

volt

b)

voltage

c)

ohm

d)

ampere

13.

the higher the resistance,

the ________ the current,

a)

bigger

b)

shorter

c)

lower

d)

higher

14.
What type of energy is stored in an object that is compressed, stretched or bent?
a)
Gravitational potential energy
b)
Elastic potential energy
c)
Kinetic energy
d)
Electrical energy
15.
What instrument can be used to detect electrostatic charges?
a)
Electroscope
b)
Telescope
c)
Microscope
d)
Periscope
16.
Which of the following statements about charges is TRUE?
a)
Same charges repel while opposite charges attract
b)
Same charges repel and opposite charges also repel
c)
Same charges attract and opposite charges also attract
d)
Same charges attract while opposite charges repel
17.
What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?
a)
Lightning
b)
Thunder
c)
Whirlpool
d)
Cyclone
18.

Ammeter is used to measure...

a)

Electric current

b)

Voltage

c)

Resistance

19.
What is a voltmeter used to measure?
a)
Electric current
b)
Voltage
c)
Resistance
d)
Magnetism
20.

What is the unit for electric current?

a)

Ampere

b)

Volt

c)

Ohm

21.

What is the unit for voltage?

a)

Ampere

b)

Volt

c)

Ohm

22.

What is the unit for resistance?

a)

Ampere

b)

Volt

c)

Ohm

23.

Which factor does NOT affect the resistance in an electric circuit?

a)

Surface area of the conductor

b)

Length of the conductor

c)

Type of conductor

24.
What type of energy is stored in an object due to its high position?
a)
Gravitational potential energy
b)
Elastic potential energy
c)
Kinetic energy
d)
Electrical energy
25.
What is produced on a balloon after it is rubbed with a woolen cloth?
a)
Electrostatic charges
b)
Electric current
c)
Voltage
d)
Resistance
26.
What happens to a plastic ruler after it is rubbed with a woollen cloth?
a)
Transfer of electrons
b)
Transfer of protons
c)
Transfer of neutrons
d)
Chemical reaction
27.
What can be used to produce electric charges at high voltages?
a)
Van de Graaff generator
b)
Resistor
c)
Ammeter
d)
Voltmeter
28.
What type of charges are usually produced on the dome of the Van de Graaff generator?
a)
Positive
b)
Negative
c)
Neutral
d)
It's impossible to detect
29.
Which factor does NOT affect the resistance in an electric circuit?
a)
Surface area of the conductor
b)
Length of the conductor
c)
Type of conductor
d)
Diameter of the conductor
30.

Which one is renewable energy source?

a)

Nuclear

b)

Geothermal

c)

Coal

d)

Natural gas

31.

What is the energy changes that occur in the power station?

a)

Wind energy --> electrical energy

b)

kinetic energy --> electrical energy

c)

Chemical energy --> electrical energy

d)

Gravitational potential energy --> electrical energy

32.

Which one is NOT renewable energy sources?

a)

petroleum and wind

b)

wind and geothermal

c)

geothermal and nuclear energy

d)

Petroleum and nuclear energy

33.

Which of the follwing generators does not use a turbine to produce electricity?

a)

nuclear generators

b)

solar

c)

hydroelectric generators

d)

thermal generators

34.
What happens to a plastic ruler after it is rubbed with a woollen cloth?
a)
Transfer of electrons
b)
Transfer of protons
c)
Transfer of neutrons
d)
Chemical reaction
35.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
36.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
37.
Wind turbines and windmills convert (or change) what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
38.
On a roller coaster, where is maximum (or most) potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
39.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
solar
b)
light
c)
heat
d)
mechanical
40.
Which circuit is pictured below?
a)
Parallel
b)
Incomplete
c)
Series
41.
A circuit that is not connected is called what kind of circuit?
a)
closed
b)
parallel
c)
series
d)
open
42.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
43.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
44.

A material in which electrons are able to move easily is a(n)

a)

Circuit

b)

Insulator

c)

Resistance

d)

Conductor

45.

A material in which electrons are not able to move easily is a(n)

a)

Circuit

b)

Insulator

c)

Resistance

d)

Conductor

46.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
47.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
48.

Which one is the circuit diagram of this picture?

a)
b)
c)
d)
49.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
50.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
51.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
52.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
53.
When all parts of the circuit are connected it is a ______ circuit. 
a)
open
b)
closed
54.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
55.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
56.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
57.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
58.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
59.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
60.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse

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