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WorksheetsELECTRIZARE STATICA
Total questions: 15
Worksheet time: 17mins
Name
Class
Date
1.
Static electricity is:
a)
electricity flowing in a wire
b)
the buildup of electric charges on an object
c)
when protons move between objects
2.
Which is an example of static dischage?
a)
a motor
b)
lightning
c)
thunder
d)
insulators
3.
If an object has more positive than negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
4.
If an object has more negative charges than positive charges, its electrcial charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
5.
If an object has the same number of positive and negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
6.
Atoms may have electrons which carry a...
a)
positive charge
b)
negative charge
c)
neutral or no charge
d)
opposite
7.
Atoms may have protons which carry a...
a)
positive charge
b)
negative charge
c)
neutral or no charge
d)
opposite
8.
Rubbing a balloon on hair is an example of static charge build up created by....
a)
conduction
b)
friction
c)
induction
d)
hairduction
9.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
10.
Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
a)
The balloons will repel each other.
b)
The balloons will attract each other.
c)
The balloons will become positively (+) charged.
d)
The balloons will pop.
11.
The girl's hair and the comb are attracting one another. The hair and the comb have
a)
opposite charges
b)
like charges
12.
Atomul este compus din:
a)
electroni
b)
substanţă
c)
nucleu
d)
moleculă
13.
Corpurile pot fi electrizate prin:
a)
frecare
b)
contact
c)
conectare
d)
influenţă
14.
Walking across a carpet is an example of charge being transferred by
a)
friction.
b)
induction.
c)
contact.
15.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel (move away)
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