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Energy Review
Test Description: Question over energy from unit 4
Instructions: Answer all questions to get your test result.
1) This form of energy is present every time you have have an energy conversion.
A
Thermal
B
Nuclear
C
Electromagnetic
D
Electrical
2) All energy is labeled in units called
A
watts
B
joules
C
m/s
D
newtons
3) Mass x 9.8 x height =
A
mechanical energy
B
kinetic energy
C
gravitational potential energy
D
speed of light
4) The sun's energy originates from
A
electromagnetic energy
B
nuclear energy
C
thermal energy
D
chemical energy
5) A pendulum in motion eventually stops because
A
the kinetic and potential energy are balanced
B
the pendulum runs out of power
C
friction converts the mechanical energy to thermal energy
D
the energy is destroyed
6) Kinetic energy depends on
A
only velocity
B
only mass
C
height
D
both mass and velocity
7) Plants during photosynthesis convert electromagnetic energy to
A
chemical energy
B
electromagnetic energy
C
GPE
D
nuclear energy
8) Electromagnetic energy from the sun arrives on earth via
A
magic
B
conduction
C
convection
D
radiation
9) A 1200-kilogram car traveling at 30 m/s has how much kinetic energy?
A
36000 J
B
540000 J
C
1080000 J
D
18000 J
10) Which below is an example of elastic potential energy?
A
The sun converting hydrogen atoms to helium atoms
B
Bending a spring and holding that spring
C
A car engine burning gasoline
D
A basketball sitting on a closet shelf
*select an answer for all questions
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