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Physical Science Review #2
Test Description: Physical science review #2
Instructions: Answer all questions to get your test result.
1) Which of the examples is NOT a Force
A
Friction slowing a bowling ball down
B
A boy pulling a wagon with his grandmother in it. Her Hoverround broke.
C
A bicycle keeps moving once it is started moving
D
A push that causes a bicycle to move
2) Friciton is
A
Opposes gravity
B
A force that is related to mass
C
A force that stops all motion and converts the energy into heat
D
Depends on Potential Energy
3) If a Bowling Ball is dropped off the Empire State Building
A
Gravity affects it only when it starts, then inertia takes over
B
Gravity would depend on the ball's air resistance
C
Gravity is the greatest at the top
D
Gravity affects it all the way down, otherwise it would hover
4) If two objects of different mass are dropped, and there is no air resistance
A
The objects would not fall
B
The obects would hit the ground at the same time. How about that!
C
The masses would not be different if there is no air resistance
D
The object with the more mass would hit the ground much earlier
5) If a bowling ball were thrown out of an airplane
A
The Force of Gravity would be the same the whole way down
B
The gravity would be greater the higher up the ball is
C
The Force of gravity would depend on the air resistance
D
Gravity would be greater near the ground. Gravity depends on mass and distance
6) If you are standing on the Earth, then transported to the Moon
A
Your mass would increase on the Moon due to lower gravity
B
Your weight would be less, but your mass would stay the same
C
Both your mass and weight would stay the same
D
Your mass and weight would both be less on the Moon
7) Which is NOT an Example of Newtons 1st law of Energy
A
A bicycle would coast on a flat road and pick up speed
B
A skateboard stops and you continue to fly forward
C
A stopped car wants to stay stopped
D
Inertia
8) Which is an example of Newtons 3rd Law
A
A bicycle moving down the street wants to stay moving
B
A bicyle hits a cat and you go flying over the handlebars
C
As you step off the front of a skateboard, the skateboard goes zooming backwards
D
Force equals the amount of acceleration you give an object
9) The Law of Conservation of Energy says
A
Energy can be created or destroyed by converting it
B
Energy can be created, but not destroyed
C
Energy cannot be created or destroyed
D
Energy can be destroyed, but not created
10) A bowling ball is rolling down the lane and stops before it even gets to the pins
A
The Energy is destroyed as it stops
B
The Potential Energy is converted to Kinetic Energy
C
Kinetic Energy is converted to Potential Energy
D
Kinetic Energy is transfered to Friction and then to heat
*select an answer for all questions
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