Acceleration and Velocity

Speed, Velocity & Acceleration

​Please read the slides and answer the questions.

Open Ended

How do you know something is moving?

Multiple Choice

Velocity is speed with __________________________.

• a unicycle helmet

• direction

• fight

Multiple Choice

In a car, a good frame of reference would be:

• The trees you are driving past in the car

• the tissue box sitting inside your car

• the old lady riding a unicycle beside your car in the same direction and at the same speed

Multiple Select

When are you undergoing an acceleration in a car? (Choose all that are correct)

• speed up

• slow down

• make turns

• constant speed

Multiple Choice

The Olympian swam 200 meters in 20 seconds.

• speed

• velocity

• acceleration

Multiple Choice

The geese fly 23 mph to the south when they migrate for the winter.

• speed

• velocity

• acceleration

Multiple Choice

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

• gravity

• changes

• acceleration

• displacement

Multiple Choice

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

Multiple Choice

You ride your bike in a straight line at a constant speed of 10 km/h.

• Acceleration occurred because speed increased.

• Acceleration did not occur because neither speed nor direction changed.

• Acceleration occurred because you changed directions.

• Acceleration occurred because speed decreased.

Multiple Choice

When you know both the speed and direction of an object's motion, you know the

• average speed of the object
• acceleration of the object
• distance the object has traveled
• velocity of the object

Multiple Choice

You are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.

• Acceleration occurred because speed increased.
• Acceleration occurred because speed decreased.
• Acceleration occurred because you changed directions.