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WorksheetsWhat is electricity?
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following best describes how electricity is found in nature?
a)
Only in electrical wires
b)
In natural phenomena like lightning
c)
Only in batteries
d)
Only in power plants
2.
(a) is a form of energy that we use to power electrical devices and machines.
3.
Electricity can be produced from renewable and (a) energy sources.
4.
How does electricity occur in nature?
a)
In natural phenomena like lightning
b)
Only in batteries
c)
Only in power plants
d)
Only in electrical wires
5.
Why is electricity important in everyday life?
4 lines
6.
How does electricity affect our daily activities?
4 lines
7.
What is one way electricity can be produced?
4 lines
8.
Protons have a (a) electrical charge, while neutrons have no charge.
9.
Protons have a (a) electrical charge.
10.
An atom becomes electrically charged when it gains or loses (a) .
11.
What is one way to describe the charge of an atom that has equal protons and electrons?
a)
It is positively charged
b)
It is negatively charged
c)
It is electrically neutral
d)
It is unstable
12.
Atoms usually have the same number of protons and (a) , making them electrically neutral.
13.
What can we infer about an atom that has equal numbers of protons and electrons?
a)
It is positively charged
b)
It is negatively charged
c)
It is electrically neutral
d)
It is unstable
14.
What happens to an atom when it has more electrons than protons?
a)
It becomes negatively charged
b)
It becomes positively charged
c)
It remains neutral
d)
It becomes unstable
15.
What happens to an atom if it loses electrons?
4 lines
16.
If an atom has more protons than electrons, what is its charge?
a)
Variable
b)
Negative
c)
Positive
d)
Neutral
17.
What occurs when two objects have the same electrical charge?
4 lines
18.
How do oppositely charged objects behave towards each other?
4 lines
19.
If two objects have the same electrical charge, what will happen?
a)
They will attract each other
b)
They will have no effect on each other
c)
They will repel each other
d)
They will combine into one object
20.
Objects with the same electrical charge (a) each other.
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