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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
potential
B
work
C
kinetic
D
energy
2) Energy in motion is considered to be _____________ energy.
A
energy
B
potential
C
work
D
kinetic
3) Energy that is stored is considered to be _______________ energy.
A
work
B
potential
C
thermal
D
kinetic
4) Potential energy that depends on height is called ______________.
A
thermal energy
B
gravitational potential energy
C
kinetic energy
D
elastic potential energy
5) Energy is stored as ________________ in the foods we eat. It is also stored in batteries.
A
chemical energy
B
kinetic energy
C
electrical 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
chemical energy
C
thermal energy
D
electrical energy
7) The type of energy produced by the movement of electrons is _____________ energy.
A
nuclear
B
mechanical
C
electrical
D
potential
8) An object’s mechanical energy is
A
the waste energy it produces by friction.
B
its energy of motion.
C
the sum of its potential and kinetic energies.
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
20 J
B
10 J
C
5 J
D
48 J
10) At what point does a roller coaster have the greatest potential energy?
A
the bottom of the smallest hill
B
the bottom of the biggest hill
C
the top of the biggest hill
D
the top of the smallest hill
11) When a hair dryer is being used, one of the energy transformations that takes place is
A
chemical to electrical.
B
thermal to electrical.
C
electrical to chemical.
D
electrical to thermal.
12) Which of the following describes nuclear energy?
A
the energy of moving electrons
B
a measure of particle motion
C
energy of a nucleus splitting or joining
D
the result of vibrations of electrically charged particles
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
24 joules
B
12 joules
C
18 joules
D
6 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
kinetic energy
B
sound energy
C
chemical energy
D
nuclear energy
15) What energy transformation takes place when you light a match?
A
light to chemical
B
kinetic to nuclear
C
thermal to light
D
chemical to light and thermal
16) A nuclear power plant converts nuclear energy in to which type of energy that powers many buildings and homes?
A
potential energy
B
light energy
C
electrical energy
D
thermal energy
17) Gasoline used to power a car is an example of...
A
kinetic to potential
B
chemical to nuclear
C
chemical to mechanical
D
kinetic to mechanical
18) A 35 kg chair is lifted 5 m off the ground. What is its potential energy?
A
0 J
B
343 J
C
175 J
D
1715 J
*select an answer for all questions
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