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Motion (SACS Gr 7 Summative)
Test Description: Summative test
Instructions: Answer all questions to get your test result.
1) A whale swims due east (from 0 km) a distance of 5 km, turns around and goes due west for 2 km and finally turns around again and heads 4 km due east. What is the total distance traveled?
A
11 km
B
9 km
C
20 km
D
40 km
2) A person begins at 0 m and walks 5 meters to the North, turns around and walks 8 meters to the South. What is the displacement?
A
3 m S
B
13 m S
C
3 m N
D
13 m NS
3) If you walk exactly four times around a sports track, what is your displacement?
A
Half
B
Quarter
C
0
D
4 times
4) Which of the following is an example of a Scalar Quantity?
A
37.9 degree Celsius on the right armpit
B
12 hops due East
C
12:00 am in the Northern Mindanao
D
173 kph towards South
5) Which of the following is a Vector quantity?
A
South pole is experiencing a -5 degree Celsius temperature
B
36 crawls and hops going the bridge
C
Left hemisphere of the earth is at 3 degrees
D
The time in South Africa is 3:39 pm
6) What is the speed of a walking person in m/s if the person travels 1000 m in 20 minutes?
A
20000 m/s
B
0.80 m/s
C
0.20 m/s
D
8.0 m/s
7) The race car was moving for 3.7 hours and during that time moved 500 miles east. What is the velocity?
A
135 miles / hour due East
B
135. 14 miles / hour due East
C
135.135 miles/ hour due East
D
135.13 miles / hour due East
8) Ann walked 1.5 miles south to her house in 0.5 hours. What is Ann’s velocity.
A
0.75 miles / hour due South
B
0.75 m / hr due South
C
3 m / hr due South
D
3 miles / hour due South
9) A train travels 120 km in 2 hours and 30 minutes. What is its average speed?
A
48 km/ hr
B
12 km/hr
C
2 km/hr
D
3.75 km/hr
10) A boy walks 4 m, East and 3 m, North. What is his displacement?
A
12 m NE
B
5 m NE
C
25 m NE
D
7 m NE
*select an answer for all questions
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