# Motion Chapter 1 Test Review Question Preview (ID: 7187)

### 6th Grade Motion Chapter 1 Test Review Quiz. Answers? Play games to get them!

Speed measurements are given in units of
a) distance/time
b) time/distance
c) time2/distance
d) distance/time2

Measurements of acceleration are given in units of
a) distance/time
b) time/distance
c) time2/distance
d) distance/time2

An airplane that moves 50 meters in one second has a speed of
a) 500 cm/s
b) 5,000 cm/sec
c) 180,000 m/h
d) 1800 km/h

How many centimeters are in a kilometer?
a) 100
b) 1,000,000
c) 1,000
d) 100,000

A car traveling at 25 m/s speeds up to 40 m/s over a period of 15 seconds. The average acceleration of the car is
a) 1 m/s2
b) impossible
c) 15 m/s2
d) 15 km/s2

A rider finishes a 120-km bicycle trip in 3 hours. The average speed of the rider is
a) 360 km/hr
b) 4 m/s2
c) 40 km/hr
d) 3.6 m/s

The trunk of a certain tree is 50 cm thick. Each year it gets thicker by 1 cm. How thick will the tree trunk be in 50 years?
a) 50 cm
b) 100 cm
c) 5,000 cm
d) 2,500 cm

It can be important to know the velocity of an object, not just its speed, because
a) velocity also tells acceleration
b) speed is only useful for fast-moving objects
c) velocity also tells direction
d) speed is always an average

A runner starts a 5-km race at 10:15 a.m. and finishes at 10:35 a.m. Given this information, you can calculate the runnerâ€™s
a) velocity
b) reference point
c) acceleration
d) average speed

An airplane flies 80 km in 10 minutes and then flies 100 km in 20 minutes. The average speed of the airplane is
a) 60 km/h
b) none of the above
c) 8 km/h
d) 360 km/h

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