MEASURING MOTION

Which is an ideal reference point?

• a colored object

• a person running

• a landmark

• a cloud in the sky

A ship is sailing from the port. Compared to which reference point is the ship in motion?

• the sea

• the captain

• the port

• the cargo ship carrier

Which of the following shows motion?

• a boy watching TV

• a dog barking at a stranger

• a mother going to market

• pillows on the bed

Which illustration shows the movement of the hula hoop around the body?

• 
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• 
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Tags

NGSS.MS-PS3-5

Which of the following is a measure of speed?

• km

• min

• m/s

• cm

Tags

NGSS.MS-PS3-1

To find the speed of an object, you need to know the distance and __________.

• force

• position

• time

• friction

What is the speed of a car that runs 100 kilometers in 2 hours?

• 50 kph

• 20 kph

• 30 kph

• 40 kph

What is the formula in finding the speed of an object?

• Speed = distance/time

• Speed = work/time

• Speed = force/time

• Speed = time/distance

Speed is the rate of motion expressed as a measurement of distance moved during a period of time. Which of the following shows the correct unit of speed?

• I. meter

• II. kilometers per hour (kph)

• III. meters per second (m/s)

• both I and II

Tags

NGSS.MS-PS3-1

A goose travels 20 kilometers per hour. How many kilometers does it travel in 8 hours?

• 40 km

• 80 km

• 160 km

• 460 km