Speed, Velocity, and Acceleration (Part 2)

What You'll Learn

Speed measures how fast an object moves (distance divided by time). Velocity includes both speed and direction. An object changing direction is accelerating even at constant speed.

Key Words

work
simple machine
lever

Materials Needed

blocks
spring scale
stopwatch
pencils
toy cars

Safety First

Do not mix unknown chemicals together.
Tie back long hair before starting the experiment.

Steps

Step 1 — Read

Study the diagram and label the parts you recognize.

Step 2 — Do

Create a Rube Goldberg machine with at least 5 steps that demonstrates energy transfer from one form to another.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

What is velocity?