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Motion And Forces Assessment Review
Test Description: Motion and Forces
Instructions: Answer all questions to get your test result.
1) Which material should be used to build a racetrack that will allow toy cars to travel fast
A
sandpaper because friction will be low
B
Gravel, because friction will be high
C
Carpet, because friction will be high
D
Plastic, because friction will be low
2) What will happen if a magnet is placed next to a pile of steel paper clips
A
the magnet will provide an unbalanced force, pulling the paper clips toward it
B
the magnet will provide an unbalanced force, pushing the paper clips away from it
C
the magnet will provide a balanced force, causing the paper clips to spin in circles
D
the magnet will provide an unbalanced force, keeping the paper clips stationery
3) As a roller coaster car travels down a hill, which type of change in energy allows it to speed up
A
kinetic energy changing into heat energy
B
potential energy changing into heat energy
C
potential energy changing into kinetic energy
D
kinetic energy changing into potential energy
4) Which form of energy does a car's engine convert into mechanical energy?
A
wind
B
chemical
C
light
D
gravitational
5) Which type of energy is changed by plants into chemical energy?
A
thermal
B
solar
C
gravitational
D
nuclear
6) Two skaters apply a different amount of force while skating together. Which term describes the result of the combined force?
A
unbalanced
B
net
C
balanced
D
steady
7) Which direction will an object move when two different forces are applied to it?
A
in the direction of the lesser force
B
in the direction of the greater force
C
West
D
East
8) What happens when an object slows down?
A
it travels less distance
B
it speeds up
C
it changes directions
D
it moves with a constant speed
9) Which statement is true about the work done in lifting a box?
A
energy is transferred to the box from the lifter
B
energy is transferred to the lifter from the box
C
the energy of the lifter remains constant
D
the energy of the box remains constant
10) What type of energy does an object have when it is not in motion?
A
mechanical energy
B
kinetic energy
C
solar energy
D
potential energy
*select an answer for all questions
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