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WorksheetsY7U5T5 - Understanding Electricity
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is electricity?
a)
The movement of light particles
b)
The flow of charged particles through a conductor
c)
The transformation of mechanical energy into electrical energy
d)
The generation of heat through an insulator
e)
The conversion of static energy into current energy
2.
What is the difference between conductors and insulators?
a)
Conductors allow electricity to flow easily, while insulators do not
b)
Insulators allow electricity to flow easily, while conductors do not
c)
Conductors generate static electricity, while insulators generate current electricity
d)
Insulators are metals, while conductors are non-metal materials
e)
Conductors convert electrical energy into mechanical energy, while insulators convert it into light energy
3.
How is static electricity different from current electricity?
a)
Static electricity flows continuously, while current electricity builds up charges
b)
Current electricity is generated by the movement of electrons, while Static electricity is generated by the buildup of charges
c)
Static electricity is used in light bulbs, while current electricity is used in electric motors
d)
Static electricity is generated by insulators, while current electricity is generated by conductors
e)
Static electricity transforms electrical energy into mechanical energy, while current electricity transforms it into heat energy
4.
What are conductors?
a)
Materials that allow electricity to flow easily
b)
Materials that prevent the flow of electricity
c)
Materials that generate static electricity
d)
Materials that convert electrical energy into mechanical energy
e)
Materials that convert electrical energy into light energy
5.
What are insulators?
a)
Materials that allow electricity to flow easily
b)
Materials that prevent the flow of electricity
c)
Materials that generate static electricity
d)
Materials that convert electrical energy into mechanical energy
e)
Materials that convert electrical energy into light energy
6.
Which materials are commonly used as conductors?
a)
Rubber and plastic
b)
Wood and glass
c)
Copper and aluminum
d)
Steel and iron
e)
Silver and gold
7.
Which materials are commonly used as insulators?
a)
Rubber and plastic
b)
Wood and glass
c)
Copper and aluminum
d)
Steel and iron
e)
Silver and gold
8.
What can electrical energy be transformed into?
a)
Heat, light, and mechanical energy
b)
Sound, motion, and thermal energy
c)
Chemical energy, potential energy, and kinetic energy
d)
Gravitational energy, nuclear energy, and electromagnetic energy
e)
Magnetic energy, electrical potential energy, and nuclear energy
9.
Give an example of electrical energy being transformed into light energy.
a)
An electric motor
b)
A microwave oven heating up bread
c)
A light bulb glowing
d)
A fan spinning
e)
A radio playing music
10.
How is static electricity generated?
a)
By the movement of charged particles through a conductor
b)
By the buildup of electric charges on the surface of an object
c)
By the continuous flow of electrons through a conductor
d)
By the interaction of two conductors
e)
By the transformation of mechanical energy into electrical energy
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