WorksheetsEnergy & Electricity
Total questions: 25
Worksheet time: 17mins
Name
Class
Date
1.
If a substance has a higher number of electrons than protons, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
2.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
3.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
4.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
5.
What is the transfer of heat through matter or space as waves?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy
6.
What is the law that states that energy cannot be created or destroyed only transform form one energy to another?
a)
Law of Conservation of Energy
b)
Law of Gravity
c)
Law of Inertia
d)
None of these
7.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
8.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
9.
Which example best represents kinetic energy
a)
streched rubber band
b)
glass of milk
c)
A computer
d)
A flying kite
10.
A person climbing a ladder.
a)
Potential
b)
Kinetic
c)
Both
11.
Which example best represents potential energy
a)
Fire
b)
ice cream
c)
bouncing ball
d)
ocean waves
12.
A wound up music box that is closed.
a)
Potential
b)
Kinetic
13.
Blowing wind.
a)
Potential
b)
Kinetic
14.
What kind of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
15.
What kind of energy?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
16.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
17.
What is the transfer of heat by the circulation or movement of liquids and gases?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy
18.
What is the transfer of heat from one substance to another through direct contact?
a)
Conduction
b)
Convection
c)
Radiation
d)
Energy
19.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
20.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
21.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
22.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
23.
Which are free-floating on the outside of an atom?
a)
neutrons
b)
electrons
c)
protons
d)
photons
24.
Which are contained in the nucleus?
a)
protons and electrons
b)
electrons and neutrons
c)
neutrons and nebulons
d)
protons and neutrons
25.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to radiant
b)
Electrical to chemical
c)
Electrical to radiant and thermal
d)
Chemical to electrical and thermal
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