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Energy
Test Description: Review
Instructions: Answer all questions to get your test result.
1) What is the transfer of energy through direct contact?
A
convection
B
radiation
C
conduction
D
mechanical
2) A hot air balloon that rises due to hot air is an example of
A
convection
B
radiation
C
conduction
D
electrical
3) your hands being warmed by a fire is an example of
A
conduction
B
convection
C
kinetic
D
radiation
4) the transfer of thermal energy is best described as
A
waves
B
temperature
C
energy
D
heat
5) energy is often best referred to as
A
anything that has a mass and takes up space
B
Matter
C
A push or a pull
D
The ability to cause change
6) The motion of running is an example of
A
electrical energy
B
mechanical energy
C
potential energy
D
thermal energy
7) using heat lamps to melt an ice cube is an example of
A
convection
B
conduction
C
mechanical
D
radiation
8) electrical energy can best be described as
A
the energy of moving electrons
B
the transfer of energy in fluids
C
the transfer of energy by direct contact
D
the energy of heat transfer
9) what energy transformation takes place when you lift weights
A
mechanical to potential
B
chemical to mechanical
C
electrical to thermal
D
thermal to potential
10) drinking hot chocolate and burning your tongue is an example of
A
convection
B
potential
C
conduction
D
radiation
11) using a blow dryer to dry your wet hair is the best of example of what energy transformation
A
electrical to potential
B
electrical to chemical
C
electrical to thermal
D
electrical to mechanical
12) a heat pack warming up is the best example of what energy transformation
A
chemical to electrical
B
thermal to mechanical
C
thermal to potential
D
chemical to thermal
13) energy that occurs in fluids (gases and liquids) is
A
convection
B
radiation
C
conduction
14) feeling the sun on your face is an example of
A
radiation
B
convection
C
conduction
15) an example of the energy of moving electrons is
A
a roller coaster at the top of a hill
B
an xbox plugged into the wall
C
eating an apple
D
running a marathon
16) Which of the following is the best example of electrical energy
A
powering up a computer
B
roasting a marshmallow
C
Digesting food
D
hitting a nail
17) Which of the following is the best example of mechanical energy?
A
Hitting a nail
B
Digesting food
C
Roasting a marshmallow
D
powering up a computer
18) Two general forms of energy are
A
potential and thermal energy
B
chemical and thermal energy
C
chemical and kinetic energy
D
potential and kinetic energy
19) When a spring is compressed, its __________________ energy is increased
A
mechanical
B
thermal
C
potential
D
kinetic
20) a roller coaster at the top of the hill has 50 J of potential energy, how much kinetic energy do they have at the bottom?
A
50J
B
30J
C
0J
D
15J
*select an answer for all questions
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