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Lesson 77 of 84 ยท Forces

Lesson

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

Steps

Step 1 โ€” 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 โ€” Do

Repeat the experiment two more times for accuracy.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What is velocity?

Speed, Velocity, and Acceleration (Part 3) โ€” Forces | 4th Grade Science | LittleActivity | LittleActivity