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Science, Physics
7th -
8thgrade
Cambridge Checkpoint Science 8: Measuring Motion
30 questions
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- 1. Multiple ChoiceA person walked 10 miles. It took them 2 hours. How fast were they walking?8 mph5 mph2 mph10 mph
- 2. Multiple ChoiceWhat is the formula to calculate speed?S = t/dS = d/tS = d x tS = t x d
- 3. Multiple ChoiceWhen an object speeds up, slows down, stops, or starts is called?speeddirectionaccelerationtime
- 4. Multiple Choice
Which of the following is a unit of speed?
km/hr
hr
km
sec
- 5. Multiple ChoiceOn a distance vs. time graph, the steeper the slope _____the slower the speedthe faster the speedless accelerationgreater acceleration
- 6. Multiple ChoiceTotal distance divided by total time isaverage speedconstant speedinstantaneous speedacceleration
- 7. Multiple Choice
A runner races in the 100 meter dash. It takes him 10 seconds to finish. What is his average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
- 8. Multiple Choice
How far will a person go if he jogs for 2 hours at a speed of 12 km/hr?
6 km
0.5 km
10 km
24 km
- 9. Multiple ChoiceJoanna drives for 400km at an average speed of 80km/h. How long was her journey?Joanna's journey was 5hrs longJoanna's journey was 10hrs longJoanna's journey was 20hrs longJoanna's journey was 15hrs long
- 10. Multiple Choice
The speed you read on a speedometer is ____.
average speed
instantaneous speed
velocity
constant speed
- 11. Multiple Choice
A soccer ball takes 20 s to roll 10 m. What is the average speed of the soccer ball?
200 m/s
5 m/s
2 m/s
0.5 m/s
- 12. Multiple Choice
What is the term for speed at a specific instant in time?
instantaneous speed
variable speed
constant speed
average speed
- 13. Multiple Choice
When an object is at rest, what is its speed?
2 m/s
3 m/s
1 m/s
0 m/s
- 14. Multiple Choice
According to the graph, about how long did the object take to move 40 m?
2 s
3 s
4 s
5 s
- 15. Multiple Choice
If a car is traveling at 55 mph and is not speed up or slowing down, then the car is moving at a(n) ______.
constant speed
speed
instantaneous speed
average speed
- 16. Multiple Choice
Jason walked a distance of 1,750 m in 30 min. Find his average speed in m/s.
0.97 m/s
58 m/s
17 m/s
3500 km/hr
- 17. Multiple Choice
A train travels 120 km in 2 hours and then 190 km in 3 hours. What is the average speed of the train?
103.3 km/hr
60 km/hr
63.3 km/hr
62 km/hr
- 18. Multiple Choice
What does the slope of the line between any two points represent?
Speed of the student.
Distance traveled by the student.
The students displacement.
The students acceleration.
- 19. Multiple Choice
What is the total distance traveled by the student from point A to B?
17 m
10 m
20 m
0 m
- 20. Multiple Choice
What would the correct units for speed of the student be?
meters
mph
m/s/s
m/s
- 21. Multiple Choice
What was the student's average speed from points A to B?
1.11 m/s
0.9 m/s
1.67 m/s
10 m/s
- 22. Multiple Choice
What is going on between 6 and 11 seconds?
The student is speeding up.
The student is standing still.
The student is moving backwards.
The student is slowing down.
- 23. Multiple Choice
What is the student's average speed over the entire journey?
0 m/s
1.0 m/s
1.11 m/s
1.54 m/s
- 24. Multiple Choice
On a distance vs. time graph, a horizontal line shows _____
constant speed
constant acceleration
the object has stopped moving
someone forgot to start timing
- 25. Multiple Choice
The speed of the object at 6 seconds is
16/6 = 2.67 m/s
(20-12) / (7-5) = 4 m/s
6 m/s
16 m/s
- 26. Multiple Choice
A motorist travels 200 km.
After travelling along a fast road for 2 hours, the motorist uses a slow road for the remaining 1/2 hour of the journey.
What is the average speed of the car?
50 km/hr
80 km/hr
100 km/hr
400 km/hr
- 27. Multiple Choice
The winding distance between two towns is 210 km. A train moves at an average speed of 70 km/hr.
How long does the journey take?
less than 70/210 hours, because the journey is not in a straight line.
exactly 70/210 hours
exactly 210/70 hours
more than 210/70 hours, because the journey is not in a straight line.
- 28. Multiple Choice
In a race, a car travels 60 times round a 3.6 km track. It takes 2.4 hours.
What is the average speed of the car?
2.5 km/h
90 km/h
144 km/h
216 km/h
- 29. Multiple Choice
When the horn on a ship is sounded, the passengers hear an echo from a cliff after 4.0 seconds. If the speed of sound is 340 m/s, how far away is the cliff?
(Hint: It may help to draw a quick picture to understand what is happening)
170 m
340 m
680 m
1360 m
- 30. Multiple Choice
What is going on between 11 and 18 seconds?
The student is speeding up.
The student is standing still.
The student is moving backwards.
The student is slowing down.
- Answer choicesTagsAnswer choicesTags