Chapter 5 Test

Directions: Please, do not write on the test. Choose the best letter for the answer to the question.

1.  An object’s velocity will change if you change the

a. speed c. distance

b. direction d. both a and b

2.  If you push or pull a moving object

a. its motion will change c. its velocity will remain the same

b. its mass will change d. it will not accelerate

3.  The data in the chart shows the measurements take over a period of time for a car. What is the average speed of the car?

Distance / Time
3 meters / 1 second
16 meters / 2 seconds
19 meters / 3 seconds
12 meters / 4 seconds

a. 3 m/s c. 8 m/s

b. 5 m/s d. 10 m/s

4.  According to the graph what is the average speed of the runner?

1 2 3 4 5

Time (sec)

a. 1 m/s c. 3 m/s

b. 2 m/s d. .5 m/s

5.  In order to change velocity

a. direction must stay the same c. distance must change

b. speed must stay the same d. direction or speed must change

6.  Which of the following represents the velocity of a moving object?

a. 2m/s c. 2 m North

b. 2 m/s North d. 2

7.  How much time is required for a bicycle to travel a distance of 200 meters at an average speed of 10 m/s? V= D/T

a. .02 seconds c. 200 seconds

b. 100 seconds d. 20 seconds

8.  An object has a speed of 40 m/s in 5 seconds. What is the distance? V= D/T

a. 8 meters c. 200 meters

b. 100 meters d. 3 meters

9.  The graph below shows how the position of an object changes over time. What is the speed of the object during the time interval from 6 to 8 seconds?

a. 3 m/s c. 2.5 m/s

b. 5 m/s d. 10 m/s

10.  Position J is ______from the reference point.

10 20 30

Reference J

Point

a. +5 c. +20

b. -15 d. +15

11.  The graph below shows the movement of an object at several points in time. What is the average speed of the object?

5 10 15 20

Time (min)

a. 5 meters/min c. 2 meters/min

b. .5 meters/min d. 10 meters/min

12.  An athelete can run 15 kilometers in 5 hours. What is the average speed of the athlete? V=D/T

a. 27 kilometers per hour c. 3 kilometers per hour

b. 2 kilometers per hour d. 5 kilometers per hour

13.  A bicycle is moving at a distance of 40 meters in 4 seconds. What is the average speed? V=D/T

a. 8 m/s c. 80m/s

b. 10 m/s d. 2 m/s

14. Which object is stationary?

Time

a. line A b. Line B

c. Line C

15. The graph below shows the speed of a vehicle. How far did the vehicle travel during the first three seconds?

1 2 3 4 5

Time (sec)

a. .2 meters c. 30 meters

b. 5 meters d. 15 meters

16.  This graph shows ______.

Time

a. the line increasing b. the line decreasing

c. the line not changing.

17.  A spring is pulled downward and the readings are recorded. If the spring is pulled to 3.5 meters, the spring should pull back in how many seconds?

Distance Pulled / Time that the spring pulls back
1.0 M / 4 seconds
1.5 M / 6 seconds
2.0 M / 8 seconds
2.5 M / 10 seconds

a. 12 seconds c. 14 seconds

b. 13 seconds d. 15 seconds

18. Which graph is non linear?

a. c.

Time Time

b.

Time

19.  Which graph shows the plant growing 10 mm every week?

20. Which chart matches the plot point graph?

a. b. c.

21. When a liquid changes to a gas, which of the following shows the best diagram of a liquid changing to a gas?

a

b.

c.

22.  In which substance are atoms vibrating?

a. air c. milk

b. soda d. ice

23.  As a sample of water turns to gas

a. new molecules are formed c. the mass of the sample is decreased

b. the molecules rearrange d. energy is released by the molecules

24.  Looking at this chart what would be a good hypothesis?

Temperature / Rocket Flight Height Distance (km)
95 / 43 km
108 / 77 km
83 / 32 km
60 / 15 km

a.  as temperature rises rocket flight improves

b.  as temperature decreases rocket flight improves

c.  the best rocket flight happens during cool days.

25.  What is a chemical change?

a. when it does not form a new substance c. when it does not change its identity

b. when it does form a new substance d. all of the above.

26.  When water evaporates, is it a chemical or physical change?

a. chemical c. no change

b. physical d. chemical property

27.  Mary jogged for 5 minutes, took a break for 2 minutes then jogged again for 3 minutes. What was her average speed?

a. 130 m/min c. 160 m/min

b. 140 m/min d. 200 m/min

28.  The illustration below shows the position of a ball at one-second time intervals. Over which time period is the ball’s average speed slowest?

a. 0s to 1s c. 2s to 3s

b. 1s to 2s d. 3s to 4s

29.  Which graphs show constant speed?

Time Time Time Time

a. 1 & 2 c. 2 & 4

b. 1 & 3 d. 3 & 4

30.  The graph below shows the motion of two students. How does the speed of student B compare to student A.

a. it is the same c. it is half as large

b. it is twice as large d. it is three times as large.