73

Lesson 73 of 84 ยท Waves

Experiment

Sound Waves and Vibrations (Part 4)

What You'll Learn

Waves transfer energy without transferring matter. Transverse waves (like light) vibrate perpendicular to the direction of travel. Longitudinal waves (like sound) vibrate parallel.

Key Words

  • experiment
  • conclusion

Materials Needed

  • plastic wrap
  • cardboard
  • tape
  • scissors

Safety First

  • Tie back long hair before starting the experiment.
  • Protect your work surface with newspaper or plastic.
  • Adult supervision recommended.

Steps

Step 1 โ€” Read

Read and learn: Waves transfer energy without transferring matter. Transverse waves (like light) vibrate perpendicular to the direction of travel. Longitudinal waves (like sound) vibrate parallel.

Step 2 โ€” Do

Repeat the experiment two more times for accuracy.

Step 3 โ€” Observe

Note any unexpected results.

Step 4 โ€” Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is the electromagnetic spectrum?

Sound Waves and Vibrations (Part 4) โ€” Waves | 8th Grade Science | LittleActivity | LittleActivity