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Lesson 58 of 84 · Data and Evidence
ExperimentThe Electromagnetic Spectrum (Part 3)
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
- iteration
Materials Needed
- rubber bands
- string
- cups
- aluminum foil
- ruler
- markers
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
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 3What determines the pitch of a sound?