This occurs when an object speeds up, slows down, or changes direction.

• Speed

• Velocity

• Acceleration

Avery likes to walk 30 feet in 10 seconds. What is her speed?

• 3 feet/sec

• 6 feet/sec

• 10 feet/sec

• 2 feet/sec

Changes in our speed, direction or both are called _________.

• gravity

• changes

• acceleration

• displacement

What is this?

"This airplane is traveling at 500 mph, West"

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

SPEED/VELOCITY/ACCELERATION: Speed is the ​ (a)   and object travels over a given period of ​ (b)   . Speed does not account for ​ (c)   . ​ (d)   is the speed and object travels in a specific direction.

Acceleration in the​ ​ (e)   in displacement such as speeding up, slowing down, or changing direction.

• change

• distance

• time

• direction

• Velocity

Tags

112.20.b.6.B

Match the following

• 30 m/s east

• Velocity

• 30 m/s

• Speed

• 30 m/s²

• Acceleration

Tags

112.20.b.6.B

Match the following

• The car moves at a constant speed around a curve.

• Speed

• The boat travels east at 50 km/hr

• Velocity

• Cindy travels 4 meters in 3 seconds.

• Acceleration

Tags

NGSS.MS-PS3-1

Predict how many meters an object would go in 4s if it has a velocity of 2 m/s.

Mathematical Equivalence

ON

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  Her average speed is (a)  

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Answer explanation

To find the average speed, divide the distance by the time. The runner covers 100 meters in 10 seconds. Average speed = 100 m / 10 s = 10 m/s. Thus, the correct answer is 10 m/s.

Which of the following is a unit of speed?

• km/hr

• Minutes

• Centimeters

• meters