Embedded Files
Task 1 - Anatomy of the ear
Task 1 - Anatomy of the ear
TAsk 3 - How we hear
TAsk 3 - How we hear
Look at the sequence; watch the video.
Watch the video and complete the sequence of how we hear on the companion sheet
Task 3-hearing range
Task 3-hearing range
This chart shows the hearing range of various aninmal. Have a good look at the chart and then answer the questions on the companion sheet.
Task 4 - How loud?
Task 4 - How loud?
The decibel (abbreviated dB) is the unit used to measure the intensity of a sound.Â
On the decibel scale, the smallest audible sound (near total silence) is 0 dB. A sound 10 times more powerful is 10 dB. A sound 100 times more powerful than near total silence is 20 dB. A sound 1,000 times more powerful than near total silence is 30 dB. Here are some common sounds and their decibel ratings:
final thoughts.......
final thoughts.......
Why do you think this message started to appear on phone in the early 2010's?
How many times have you seen this message and just clicked ok without thinking, turning up the volume to max?
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