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End Of Course Review #8
Test Description: This is a partial end of course review for the 7th grade. (Most questions related to energy transformations)
Instructions: Answer all questions to get your test result.
1) Energy flow of a flashlight: from ___ energy to ___ energy to ___ energy
A
chemical, electrical, radiant
B
chemical, motion, thermal
C
chemical, electrical, motion
D
nuclear, radiant, thermal
2) Energy flow of a BBQ grill: from ___ energy to ___ energy and ___ energy
A
chemical, motion, sound
B
chemical, radiant, sound
C
nuclear, radiant, thermal
D
chemical, thermal, radiant
3) Energy flow of a car engine: from ___ energy to ___ energy and ___ energy and ___ energy
A
motion, thermal, nuclear, radiant
B
chemical, nuclear, thermal, motion
C
chemical, motion, thermal, sound
4) Energy flow of an athlete: from ___ energy to ___ energy and ___ energy
A
motion, chemical, nuclear
B
chemical, electrical, radiant
C
radiant, thermal, motion
D
chemical, motion, thermal
5) Energy flow of the sun: from ___ energy to ___ and ___ energy
A
chemical, thermal, sound
B
chemical, electrical, motion
C
nuclear, radiant, thermal
6) Solar energy is ___.
A
an inexpensive source of energy
B
a renewable resource
C
a commonly used source of energy
D
a nonrenewable resource
7) Potential energy is to kinetic energy as
A
a tractor is to a sports car
B
flute is to trumpet
C
water stored behind a dam to electrical energy
D
an ice cube is to a hot day
8) Gravity changes potential energy to kinetic energy when
A
you throw a ball to a friend
B
you push a child in a wagon
C
a balloon floats upward
D
a skier starts down a slope
9) When you place a cooler object against a source of heat, you transfer heat by
A
conduction
B
convection
C
radiation
D
microwave
10) Thermometers measure ___.
A
kinetic molecular motion
B
coolness
C
potential energy
D
mechanical energy
*select an answer for all questions
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