1. Poll
60 seconds
What is sound?
- Vibrations that travel through air or another medium and can be heard when they reach a person's or animal's ear.
- Light waves that travel through the air and can be seen when they reach a person’s eye.
- Heat energy that travels through the air and can be felt by a person.
2. Word cloud
120 seconds
Write down any key words you can think of from the topic of sound.
3. Slide
60 seconds
Sound is a vibration that travels through air, water, or any other medium. We hear sound when the vibration is strong enough to be detected by our ears. Sound is produced by vibrations from musical instruments, voices, or other sources.
Sound: What Is It?
4. Slide
60 seconds
Frequency: The number of times a sound wave vibrates per second. Measured in hertz (Hz) Amplitude: The size of a sound wave. Measured in decibels (dB) Wavelength: The distance between two consecutive sound waves. Measured in meters (m)
Concepts:
5. Word cloud
60 seconds
Can you name the parts of the ear?
6. Open question
150 seconds
How does sound travel?
7. Drawings
420 seconds
Draw your best drawing of the diagram of the ear!
8. Open question
180 seconds
Why can't sound travel in a vacuum?
9. Open question
150 seconds
What is the function of the cochlea?
10. Poll
60 seconds
What unit is used to measure loudness?
- Decibel (dB)
- Hertz (Hz)
- Watt (W)
11. Poll
60 seconds
Which animal has better hearing than humans?
- Dogs
- Sloths
- Rabbits
12. Drawings
180 seconds
Draw a sound wave of a noise that is loud and high pitched!
Made with ❤️ from Norway