Sound Waves and Vibrations (Part 2)

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

observation
experiment

Materials Needed

aluminum foil
ruler
markers
popsicle sticks
pennies
plastic wrap

Safety First

Dispose of materials properly after the experiment.

Steps

Step 1 — 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 — Do

Repeat the experiment two more times for accuracy.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is the electromagnetic spectrum?