Speed

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

Can be measured in meters per second (m/s)

• Distance
• Time
• Speed
• Acceleration

How far will a person go if they jog for 2 hours at a speed of 12 km/hr?

• 6 km
• 0.5 km
• 10 km
• 24 km

If a cheetah runs 180 miles in 3 hours, what is its average speed?

• 60 hours
• 60 miles
• 60 miles/hour
• 60 miles/second/second

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.

• constant
• zero
• increasing
• decreasing

Which car is accelerating?

• A car that is not moving
• A  car that rounds a curve at a constant speed
• A car traveling at a constant speed 
• A car that has a set speed of 60mph

The rate at which velocity changes is called 

• motion
• average speed
• instantaneous speed
• acceleration