WorksheetsElectrical Current
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
A naturally occurring force that exists all around us is called _________.
a)
Magnetism
b)
Electricity
c)
Electrica
d)
Electrical current.
2.
Greek philosophers noticed that when a piece of amber was rubbed with cloth, it would __________ pieces of straw.
a)
Attract
b)
Positive
c)
Magnetism
d)
Resistance.
3.
Latin word which describes the static charge that develops when certain materials are rubbed against amber is called ___________.
a)
Attraction.
b)
Resistance.
c)
Free electron
d)
Electrica
4.
The natural forces that are very closely related to one another is electricity and ________.
a)
Ohms
b)
Molecule
c)
Magnetism
d)
Atom
5.
Anything that has mass, weight and occupies space is called______.
a)
Compound.
b)
Matter
c)
Attraction.
d)
Element
6.
A group of atoms bunched together is called ________.
a)
Free electron
b)
Molecule
c)
Current
d)
Resistance
7.
A material composed of only one kind of atom is called _______.
a)
Electrica
b)
Free electron
c)
Element
d)
Current
8.
A material composed of more than one kind of atom is called ________.
a)
Compound
b)
Matter
c)
Molecule
d)
Current
9.
Composed of protons, neutrons, and electrons and is called ____.
a)
Element
b)
Ohms
c)
EMF or electromotive force
d)
Atom
10.
The forces of ________ between the electrons and the protons hold an atom together.
a)
Attract
b)
Magnetism
c)
Resistance
d)
Attraction
11.
Protons have a ________ electrostatic charge.
a)
Negative
b)
Neutral
c)
Positive
d)
No charge
12.
Like charges repel, unlike charges _________.
a)
Repel
b)
Resist
c)
Attract
d)
Relax
13.
The outer shell of the atom is called________.
a)
Valence Shell
b)
The outer shell of the atom is called________.
c)
Free electron
d)
Amperage
14.
The electron that can easily move from atom to atom is called_______.
a)
Free electron
b)
Amperage
c)
Valence Shell
d)
Ohms
15.
The free electrons are responsible for _________.
a)
Resistance
b)
Free electron
c)
Element
d)
Electrical current
16.
A term used to describe the number of electrons moving past a fixed point in a conductor in one second is called________.
a)
Amperage
b)
Molecule
c)
Current
d)
Ohms
17.
The actual flow of electrons is called _______.
a)
Molecule
b)
Magnetism
c)
Current
d)
Electrica
18.
This causes the electrons to flow and is called ______.
a)
Electricity
b)
EMF or electromotive force.
c)
Magnetism
d)
Resistance
19.
The opposition to electrical current is called _________.
a)
Attraction
b)
Resistance
c)
Magnetism
d)
Attract
20.
Resistance is measured in units called _________.
a)
Ohms
b)
Atom
c)
Matter
d)
Current
100 %
