Retest EOU 18wk

Front

What is speed?

Back

Speed is the distance traveled per unit of time, measured in meters per second (m/s).

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

How do speed and velocity differ?

Back

Velocity includes direction, while speed does not.

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

Calculate the average speed: A dog runs 60 m in 20 s and then 40 m in 20 s.

Back

Average speed = (60 m + 40 m) / (20 s + 20 s) = 2.5 m/s.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity per unit of time.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Give an example of a physical change involving a change in state.

Back

Freezing water is an example of a physical change involving a change in state.

Front

What is the Kuiper belt?

Back

The Kuiper belt is a region of the solar system beyond Neptune, populated with small icy bodies.

Front

Where is the Kuiper belt located in relation to the planets?

Back

The Kuiper belt is located between the positions of planets 7 and 8.