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