The Electromagnetic Spectrum (Part 4)

What You'll Learn

Sound is a vibration that travels through matter as a wave. It cannot travel through a vacuum. Sound travels fastest through solids and slowest through gases.

Key Words

constraint
criteria

Materials Needed

cardboard
tape
scissors
straws
paper clips
rubber bands

Safety First

Do not mix unknown chemicals together.
Tie back long hair before starting the experiment.

Steps

Step 1 — Read

Read and learn: Sound is a vibration that travels through matter as a wave. It cannot travel through a vacuum. Sound travels fastest through solids and slowest through gases.

Step 2 — Do

Measure and record your data in a table.

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 determines the pitch of a sound?