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WorksheetsYear 8 Energy
Total questions: 19
Worksheet time: 18mins
Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
3.
When plants convert the sun's energy into food, which type of energy is it?
a)
kinetic
b)
chemical
c)
thermal
d)
radiant
4.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
5.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
6.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
7.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
8.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
9.
Work is:
a)
A transfer of energy by a force to move and object
b)
Something you get paid for
c)
Something you take home
d)
Makes you sweat
10.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
11.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
12.
You and your family are sitting around a campfire. You can feel the heat on your face, even when you back your seat away from the fire. The heat energy from the fire warms your face through:
a)
light energy from the fire
b)
conduction
c)
chemical reactions in the fire
d)
radiation
13.
Warm air rises and cool air sinks due to...
a)
Radiation
b)
Convection
c)
Conduction
14.
When your feet touch the hot pavement, heat is transferred to your feet through...
a)
Radiation
b)
Convection
c)
Conduction
15.
which of these have kinetic energy?
a)
a rock on top of a hill
b)
an archer's bow drawn back
c)
a car rolling along the road
d)
a bicycle sitting at a stop sign
16.
Energy stored in the nucleus of an atom is called
a)
electromagnetic energy
b)
nuclear energy
c)
mechanical energy
d)
chemical energy
17.
What do we call a change from one form of energy to another?
a)
Energy change
b)
Energy transformation
c)
Energy creation
18.
Particles are closely packed together in:
a)
liquid
b)
solid
c)
gas
d)
none of the above
19.
Which statement is true?
a)
positively charged objects and negatively charged objects repel each other.
b)
negatively charged objects attract other negatively charged objects
c)
positively charged objects repel other positively charged objects
d)
objects don't ever have a charge
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