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

paper clips
rubber bands
blocks

Safety First

Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Dispose of materials properly after 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?