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Unit Two Work, Energy, Machines
Test Description: 6th grade science
Instructions: Answer all questions to get your test result.
1) Stored Energy that an object has due to its position, condition, or chemical composition.
A
screw
B
mechanical efficiency
C
machine
D
potential
2) Is a device that helps people do work by changing the way work is done.
A
machine
B
mechanical efficiency
C
lever
D
screw
3) Ratio of a machine's output force to its input force.
A
mechanical efficiency
B
screw
C
lever
D
work
4) Is a simple machine that consists of a solid bar that pivots at a fixed point.
A
potential energy
B
lever
C
machine
D
work
5) The use of force to move an object in the direction of the force.
A
lever
B
potential energy
C
machine
D
work
6) Is an inclined plane that is wrapped in a spiral around cylinder.
A
work
B
lever
C
screw
D
machine
7) Energy that is stored due to the height of an object from the ground.
A
chemical energy
B
potential energy
C
gravitational energy
D
mechanical energy
8) Chemical bonds being released when we eat.
A
chemical energy
B
potential energy
C
mechanial energy
D
gravitational energy
9) Ability to do work.
A
levers
B
work
C
energy
D
machines
10) Energy of an object due to the object's motion.
A
Potential energy
B
Gravitational energy
C
Kinetic energy
D
Mechanical energy
*select an answer for all questions
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