Speed, Velocity, and Acceleration

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

Steps

Step 1 — Read

Read and 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.

Step 2 — Do

Repeat the experiment two more times for accuracy.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What is velocity?