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Force And Motion
Test Description: Unit 3
Instructions: Answer all questions to get your test result.
1) Which of the following are most likely in motion because of gravity?
A
a ball being pulled from a chair and rolling back when let go AND rolling a pencil back and forth
B
pushing a door open AND rolling a pencil back and forth
C
a ball rolling down a hill AND a book falling off a shelf, hitting the floor.
D
clock hands spinning AND a ball being pulled from a chair and rolling back when let go
2) What would be the reason a paper airplane changes direction after it is thrown in the air?
A
Gravity pushes the paper airplane up
B
Gravity pulls down on the paper airplane
C
Magnetism pulls the paper airplane to the ground
D
Magnetism pushes the airplane up
3) If a person hits a ball with a baseball bat, what happens?
A
Work is being done by pushing the ball and changing its motion and position
B
Change in the position and motion of the ball without doing any work.
C
The ball changes position but there is no motion
D
Work is being done by pulling the bat and changing the ball's position, but not motion.
4) A student wants to test the force of a trampoline bouncing 4 balls with different masses into the air. He has the trampoline and 4 balls with different masses. What else would be helpful for this experiment?
A
A graduated cylinder to measure the volume of each ball
B
A beaker to collect the balls after they are launched
C
A meterstick to measure the height each ball bounces
D
A stopwatch to measure how long it takes to drop the balls
5) Which of the following would be best to test friction?
A
releasing toy cars down a ramp from different starting points
B
dropping two balls from the same height at the same time
C
rolling two toy cars across the same floor at the same time with the same amount of force
D
rolling three balls across different surfaces from the same starting point, with the same amount of force
6) What happens as you jump up from the ground?
A
a jump is caused by magnetism
B
a jump is a push that causes you to change positions
C
a jump does not change your position
D
a jump is a pull that makes you go up
7) A student builds a bridge out of spaghetti noodles. He sets a paper cup on top and adds pennies to the cup one at a time. Which question is the student most likely trying to answer?
A
How long can a spaghetti bridge be?
B
How many pennies can you fit in a paper cup?
C
How much force will it take to break the spaghetti bridge?
D
How many spaghetti noodles does it take to build a bridge?
8) Which procedure should I include in my experiment to find out how much force it takes to move a bowling ball and a basketball across a table?
A
do 3-5 trials using different scales for each ball
B
test each ball only once
C
do 3-5 trails, pulling each ball the same way for each trial
D
do 3-5 trials using a different table each time
9) What is a force?
A
electricity
B
magic that makes things move with your mind
C
a sound
D
A push or a pull
10) What force pulls things towards the center of Earth?
A
push
B
friction
C
magnetism
D
gravity
11) A student is using a spring scale to measure the force of a Chromebook being pulled across a table. For the next trial, he added a box of marbles on top of the Chromebook. What will he be able to find out?
A
How force affects the mass of two objects
B
How the force used to pull the Chromebook affects the mass of the marbles
C
How the mass of the marbles affects the mass of the chromebook
D
How mass affects the force needed to move objects
12) A student set up two ramps. One ramp was created using a stack of 4 books and a long piece of flat wood. The other ramp used 2 books and a piece of wood the same size. What question is he trying to answer?
A
How does mass affect a marble as it goes down the ramp?
B
How do books affect how marbles travel?
C
Will the height of the ramp affect how the marble will travel?
D
How do different surfaces affect force?
13) If a ball is rolled down two ramps of different heights, why is the length the ball travels different in each trial?
A
The height of the ramps changed
B
The size of the ball changes
C
The material of the ball changes
D
The mass of the ball changes
*select an answer for all questions
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