Match the terms with the descriptions. ______ a change in velocity ______ speed in a certain direction...

1) Match the terms with the descriptions.
______ a change in velocity
______ speed in a certain direction
______ the rate of motion in a certain amount of time
______ the total amount of ground an object covers during an object's journey
2) Choose the best answer.
How does velocity differ from speed?
- The two terms are interchangeable
- Objects can have the same speed, but different velocities.
- An object can have speed or velocity, but not both.
- Velocity increases at a rate double that of speed.
3) Choose the best answer.
Camilla walks from her house to the school. She walks 399 m in 4.2 minutes (min).
Calculate her average speed.