Speed/velocity and Acceleration

What two measurements are necessary for calculating speed?

• Mass and time
• Temperature and mass
• Mass and distance
• Distance and time

A description of the speed and direction of an object's motion

• Velocity
• Speed
• Acceleration
• Vector

Tags

NGSS.MS-PS3-1

What is this graph showing?

• Constant Speed
• Acceleration (speeding up)
• Deceleration (slowing down)
• No motion

Tags

NGSS.MS-PS3-1

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

A measurement of how fast an object is moving

• Velocity
• Speed
• Vector
• Acceleration

Tags

NGSS.MS-PS3-1

Which is an example of speed?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour toward the next town.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second toward space.

Which is an example of velocity?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second.

Which is NOT an example of Acceleration?

• An object speeds up

• An object slows down

• An object changes direction

• An object is in constant motion.

Speed or Velocity?:

A train is travelling North 220 km/hr

• Speed

• Velocity

• Neither

• Both

the rate at which speed or velocity changes

• acceleration

• average speed

• motion

• reference point

Tags

NGSS.MS-PS2-2