7
Lesson 7 of 84 ยท Engineering and Design
ExperimentSound Waves and Vibrations
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
- conclusion
Materials Needed
- scissors
- straws
- paper clips
- rubber bands
- string
Safety First
- Wear safety goggles when mixing liquids.
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 3What is the electromagnetic spectrum?
