Speed, Distance, Time

The graphs show the distance and time traveled by objects x and y. What statement are correct about the two objects?

• Neither object is traveling at a constant speed and object x is traveling slower than object y.

• Both are traveling at a constant speed but object x is traveling faster than object y.

• Objects x and y are traveling at the same speed.

• Objects x and y are speeding up over time.

Tags

NGSS.MS-PS3-1

What two measurements are needed to calculate speed?

• mass and time

• temperature and mass

• time and distance

• distance and energy

Tags

NGSS.MS-PS3-1

What key word tells me I am measuring time?

• how fast

• how long

• how far

• how much

Examine the distance vs. time graph below and determine which of the following statements best describes the motion displayed on the graph.

• The object is moving away from the starting point at a constant speed.

• The object is increasing in speed.

• The object is not moving.

• The object is decreasing in speed.

What key word tells me I am measuring distance?

• how long

• how far

• how fast

• how much

The distance-time graph below represents the motion of a cart initially moving forward along a straight line.

*During which interval is the cart moving forward at constant speed?

• Between points A and B

• Between points B and C

• Between points C and D

• Between points D and E

What is a unit of speed?

• Meters per second

• Seconds

• Meters per second squared

• Meters

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Lucy the Llama ran 50 meters in 10 seconds. What is Lucy's speed?

• 50 meters

• 5 meters per second

• 1 second per meter

• 10 seconds

Tags

NGSS.MS-PS3-1

A fox runs 120 metres in 8 seconds. Calculate the speed of the fox.

• 960 m

• 15 m/s

• 128 seconds

• 0.0667 m/s

Tags

NGSS.MS-PS3-1

Which of these objects will travel the furthest in 1 minute?

• A car driving at 30 m/s

• A train travelling at 1500 m/min

• A motorbike travelling at 120 km/h

• A boat travelling at 1 km/min