Brain break: Draw a robot chef cooking spaghetti with mechanical arms and legs that are stirring the pot.
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stefan.gouws
Updated 5 months ago
1. Drawings
450 seconds
Brain break: Draw a robot chef cooking spaghetti with mechanical arms and legs that are stirring the pot.
2. Slide
60 seconds
Frequency: The number of waves formed by a sound in a specific period of time, measured in Hertz (Hz) Pitch: The relative highness or lowness of a sound, measured in frequency (Hz) Harmony: A combination of two or more notes that sound pleasing when played together
Concepts:
3. Slide
60 seconds
The human ear can typically hear sounds between 20 Hz and 20,000 Hz. Dogs can hear sounds up to 40,000 Hz and dolphins can hear sounds up to 100,000 Hz!
Did you know?
4. Open question
300 seconds
What are the differences between the frequency and the pitch of a wave?
5. Poll
60 seconds
Which unit is used to measure frequency?
- Hertz (Hz)
- Decibels (dB)
- Watts (W)
6. Poll
60 seconds
What is pitch?
- How long or short the sound waves are
- How high or low a sound is perceived to be
- How loud or soft a sound is
7. Poll
60 seconds
Which animal can hear higher frequencies than humans?
- Cats
- Birds
- Dogs
8. Poll
60 seconds
What happens to the pitch of a sound when its frequency increases?
- It remains the same.
- It increases as well.
- It decreases.
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