Human Hearing

1,027 views
777 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
1,027
On SlideShare
0
From Embeds
0
Number of Embeds
150
Actions
Shares
0
Downloads
4
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Human Hearing

  1. 1. Human hearing. What are sound waves? Scientists use microphones to detect animal sounds. If a microphone is attached to an oscilloscope, you can see a representation of sound wave that the animal produces. By looking at the wave (or trace) on the oscilloscope screen, scientists can work out the intensity an pitch of the sound. J G.
  2. 2. Dolphin/Whale hearing range. What is a dolphin or whales hearing range? Animals use sounds to communicate, to warn other animals of danger, to try and stop others entering their territory, to win a mate, or to hunt. Dolphins and whales have voices, but it's a lot different from most other mammals. The limited visibility under water made sounds and hearing very important for them. The sounds of the whales are not produced with their mouth/beak but only inside their blow-hole. They also use frequencies that reach far beyond our hearing capabilities. Of course they can also hear these higher frequencies. Y C.
  3. 3. Animal hearing ! Animals can communicate with each other , tow warn them of the type of animals , to become mates and hunt with them . Some animals use sound to see what they are looking for . Bats wear hoods that cover there ears . E
  4. 4. Dog Hearing <ul><li>Dog's sense of hearing sense of hearing that can hear a wide range of sounds but they also have the ability to pin point the exact origin of the sound. </li></ul><ul><li>has an almost equally important role within their world. Not only do Dog have a highly developed </li></ul>P B.

×