Speed, Velocity, and Acceleration (Part 3)

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

Materials Needed

pencils
toy cars
ramps
string
weights

Safety First

Wash hands after handling materials.

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?