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