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Energy Test 10 Part III
Test Description: Students prepare for test 10 on energy
Instructions: Answer all questions to get your test result.
1) A baseball is hit into the air with a bat. When does the baseball have the greatest gravitational potential energy?
A
when it reaches its highest point
B
when it leaves the bat
C
when the mechanical and kinetic energies of the baseball are equal
D
when it hits the ground
2) The law of conservation of energy states that when one form of energy is converted into another
A
energy is destroyed in the process
B
energy is created in the process
C
no energy is destroyed in the process
D
some amount of energy can not be accounted for
3) Potential energy that depends on height is called
A
kinetic energy
B
gravitational potential
C
kinetic
D
elastic potential
4) When you rub your hands together on a cold day, you use friction to convert
A
electrical energy into electromagnetic energy
B
mechanical energy into thermal energy
C
thermal energy into nuclear energy
D
nuclear energy into electrical energy
5) The total potential and kinetic energy of the particles in an object is called:
A
mechanical energy
B
electrical energy
C
chemical energy
D
thermal energy
6) An example of something that stores chemical energy is
A
lighting
B
microwave
C
match
D
light
7) If Rocky and Chyna both placed a 50 lb bag on a table, which one would have used more energy?
A
they would have used the same amount of energy no matter the amount of time
B
Whoever took less time to put the bag on the table
C
Whoever took more time to put the bag on the table
D
whoever weighs the most
8) If Chyna placed the bag on the table in less time than Rocky, we can conclude that:
A
Rocky had the greatest amount of power because it took him longer
B
They both had the same amount of power no matter the amount of time
C
Rocky had more power because he was named Rocky due to his strength
D
Chyna had more power because she moved the bag to the table in less time.
9) A material that does NOT conduct heat well is called a(n):
A
conductor
B
metal
C
insulator
D
radiator
10) Heat transfer occurs
A
only from cold objects to warmer ones
B
in many directions
C
both from warm objects to colder ones and from cold objects to warmer ones
D
only from warm objects to colder ones
*select an answer for all questions
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