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Transcript
```Date:_________________________
1. The word used to describe how far apart two points or places are is _____________________.
a.
b.
c.
d.
direction
velocity
distance
time
4. Speed is distance divided by ___________________.
a.
b.
c.
d.
speed
velocity
time
direction
6. The force that pulls objects together is called __________________________.
a.
b.
c.
d.
forceful pull
gravity
gravel
speed
8. What information is needed to calculate speed?
a.
b.
c.
d.
the distance traveled
time and the amount of force exerted
the mass of the object
the distance traveled and time
10. Which of these describes a change in the direction of an object?
a. a boy riding a bike west turns south
b. a baseball rests on the ground
c. a car moves slower and slower
11. A person travels a distance of 400 miles in two hours. What is the personâ€™s speed? Remember that
speed equals distance divided by time.
a.
b.
c.
d.
100 miles per hour
50 miles per hour
200 miles per hour
600 miles per hour
12. A boy hits a baseball with a bat. Which two forces act upon the baseball to slow it down and cause it
to fall
to the ground?
a.
b.
c.
d.
gravity and friction
gravity and velocity
friction and velocity
friction
13. A ball rolls along a surface. Which surface would probably cause the LEAST amount of friction?
a.
b.
c.
d.
sand
ice
grass
carpet
14. Two forces act on either side of a box. One force pushes the box to the right. A bigger force pushes the
box to the left. What happens to the box?
a.
b.
c.
d.
It moves up.
It moves down.
It moves to the left.
It moves to the right.
15. What is needed in order to change the motion of any object?
a.
b.
c.
d.
force
friction
magnetism
position
16. In an experiment, a metal ball, a basketball, and a bowling ball are rolled down a ramp. What force
causes
the downward movement of the balls?
a.
b.
c.
d.
friction
gravity
electricity
magnetism
17. Can an object in motion ever change direction?
a.
b.
c.
d.
Yes, if another force works upon the object.
No, the object will keep moving on the same path.
Yes, the motion will change without force.
No, objects can only move if they are pulled on.
18. Erik is moving into a new house. He needs to move all of his furniture the same distance from the
truck to
the living room. Which of the following pieces will require the least force to move?
A.
B.
C.
D.
couch
chair
end table
lamp
If you kicked a ball on the moon, how would it compare to kicking a ball on Earth? Why?
```
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