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Energy
Test Description: Energy Review
Instructions: Answer all questions to get your test result.
1) _____________ is the ability to do work.
A
work
B
kinetic
C
energy
D
potential
2) Energy in motion is considered to be _____________ energy.
A
work
B
energy
C
kinetic
D
potential
3) Energy that is stored is considered to be _______________ energy.
A
potential
B
kinetic
C
work
D
thermal
4) Potential energy that depends on height is called ______________.
A
gravitational potential energy
B
kinetic energy
C
thermal energy
D
elastic potential energy
5) Energy is stored as ________________ in the foods we eat. It is also stored in batteries.
A
kinetic energy
B
electrical energy
C
chemical energy
D
light energy
6) When the _______________ of an object increases, its particles move faster, making it feel warm to the touch.
A
mechanical energy
B
electrical energy
C
chemical energy
D
thermal energy
7) The type of energy produced by the movement of electrons is _____________ energy.
A
mechanical
B
nuclear
C
potential
D
electrical
8) An object’s mechanical energy is
A
the sum of its potential and kinetic energies.
B
the waste energy it produces by friction.
C
its energy of motion.
D
not related to the object’s mass.
9) What is the gravitational potential energy of a 10 N diver standing on a platform 2 m high? GPE= w(h)
A
48 J
B
5 J
C
20 J
D
10 J
10) At what point does a roller coaster have the greatest potential energy?
A
the bottom of the biggest hill
B
the bottom of the smallest hill
C
the top of the smallest hill
D
the top of the biggest hill
11) When a hair dryer is being used, one of the energy transformations that takes place is
A
electrical to thermal.
B
chemical to electrical.
C
thermal to electrical.
D
electrical to chemical.
12) Which of the following describes nuclear energy?
A
the result of vibrations of electrically charged particles
B
a measure of particle motion
C
the energy of moving electrons
D
energy of a nucleus splitting or joining
13) A rolling ball has a mass of 4 kilograms and is rolling 3 m/s. How much kinetic energy does the ball have?
A
12 joules
B
6 joules
C
18 joules
D
24 joules
14) In photosynthesis, plants use nuclear energy from the sun that is converted to light energy to produce food for themselves. What do plants convert the light energy into?
A
chemical energy
B
kinetic energy
C
sound energy
D
nuclear energy
15) What energy transformation takes place when you light a match?
A
chemical to light and thermal
B
kinetic to nuclear
C
thermal to light
D
light to chemical
16) A nuclear power plant converts nuclear energy in to which type of energy that powers many buildings and homes?
A
thermal energy
B
electrical energy
C
potential energy
D
light energy
17) Gasoline used to power a car is an example of...
A
chemical to nuclear
B
chemical to mechanical
C
kinetic to mechanical
D
kinetic to potential
18) A 35 kg chair is lifted 5 m off the ground. What is its potential energy?
A
175 J
B
343 J
C
1715 J
D
0 J
*select an answer for all questions
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