WorksheetsEnergy Unit Review
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Two beakers of water are being heated on a stove at the same medium heat setting. One beaker has 2 cups of water and the other has 8 cups of water. After 5 minutes what will happen?
a)
The beaker with 2 cups of water will have a higher temperature.
b)
The beaker with 8 cups of water will have a higher temperature.
c)
Both beakers of water will have the same temperature
d)
The beaker with 8 cups of water will have a temperature of 150F
2.
An ice cold soda and a hot cup of coffee are placed near each other in an insulated cooler. What will happen to the two liquids?
a)
Both the soda and the coffee will gain heat.
b)
Both the soda and the coffee will lose heat
c)
The coffee will gain heat and the ice water will lose heat
d)
The coffee will lose heat and the soda will gain heat
3.
When water behind a dam flows through and turns a generator, what change takes place?
a)
Heat energy is transformed into mechanical energy
b)
Sound energy changes into electrical energy
c)
Chemical energy is used to produce electricity
d)
Mechanical energy is uded to produce electrical energy.
4.
When a pot of water is put on a hot stove, the heat gets to the water mainly by
a)
conduction of heat through a pan
b)
radiation of heat through the pan
c)
reflection of the heat from the stove
d)
convection of heat from the air in the room
5.
If you stick a metal spoon into a hot pot of soup, the handle of the spoon gets hot because
a)
the hot soup causes a chemical reaction to the metal of the spoon
b)
the heat from the hot soup is conducted through the spoon
c)
the hot soup heats the air around the spoon
d)
the heat from the soup causes a physical change in the handle of the spoon
6.
Which is NOT a form of energy?
a)
heat
b)
electrical
c)
light
d)
friction
7.
Which of the following is an example of kinetic energy?
a)
a swimmer standing on a diving board
b)
a plate on the edge of a counter
c)
firewood stacked in a fireplace
d)
a child jumping rope
8.
Light is an example of what kind of energy?
a)
Gravitational potential energy
b)
Nuclear energy
c)
Chemical energy
d)
electromagnetic energy
9.
Which of these is an example of kinetic energy?
a)
A goat sanding in a field of grass
b)
a turtle floating in a pond
c)
a bass leaping up to catch a fly
d)
a squirrel holding an acorn
10.
When a ceiling fan is being used, one energy transformation that takes place is
a)
electrical to chemical
b)
mechanical to electrical
c)
chemical to electrical
d)
electrical to mechanical
11.
What happens to to the energy when a light bulb uses electricity?
a)
It is used up and disappears
b)
It is changed into matter
c)
it is transformed from one form of energy to another form.
12.
A roller coaster at the top of the first hill has
a)
heat energy
b)
kinetic energy
c)
potential energy
d)
mechanical energy
13.
Heat from the sun gets to the earth by
a)
Conduction
b)
Convection
c)
Absorption
d)
Radiation
14.
Potential energy increases when
a)
a wagon is pushed up a hill
b)
water is poured out of a bucket
c)
a frog jumps out of a tree into a pond
d)
a car stopping at a red light
15.
When cooking pop corn in a microwave, which form of heat transfer is used?
a)
radiation
b)
conduction
c)
convection
d)
absorption
16.
Food, wood and gasoline are all forms of
a)
mechanical energy
b)
chemical energy
c)
light energy
d)
radiant energy
17.
When you quickly rub your hands together, chemical energy of the food you have eaten is turned into mechanical energy and
a)
light energy
b)
solar energy
c)
potential energy
d)
thermal energy
100 %
