Can you hear that. by Danny Thomas https://padlet.com/dthomas34/l988jd5oxd26 en-us 2018-02-13 22:25:48 UTC 2018-02-15 23:07:07 UTC hello@padlet.com 2. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/231318085 I think this about how animals use  using echolocation, like bats when they fly with out their eyes open because they use echolocation.]]> 2018-02-13 22:28:29 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/231318085 3. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/231319592 How sound is produced. It was produced with waves and particles.

How we hear sound.
The sound waves hit the ear drams
at the end of the ear canal which vibrates.]]> 2018-02-13 22:35:27 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/231319592 dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/231320801 2018-02-13 22:41:17 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/231320801 5. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/231747998 How sound is produced. 
sound is produced bye A diagram of a sound wave can tell you a lot about what the sound is like.

How we hear sound.
The pinna or outer ear, funnels sound vibrations into the ear canal ]]> 2018-02-14 23:11:52 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/231747998 6. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/231750113 particle:
A minute portion of matter.

Infrasonic:
Relating to or denoting sound waves with a frequency below the lower limit of human audibility.

Ultrasonic: 
Of or involving sound waves with a frequency above the upper limit of human hearing.

Sonar: A  system for the detection of objects under water by emitting sound pulses and detecting or measuring their return after being reflected.

Diagram:
 simplified drawing showing the appearance, structure, or workings of something; a schematic representation.

Frequency:
the rate at which something occurs over a particular period of time or in a given sample.
]]> 2018-02-14 23:23:58 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/231750113 8. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/232157197 It shows the hearing of animals and how high they can hear.]]> 2018-02-15 21:05:27 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/232157197 9. dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/232158174 the source of the various kinds of vibration It goes into pinna,Eardrum,ossicles,cochlea.]]> 2018-02-15 21:08:27 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/232158174 10 dthomas34 https://padlet.com/dthomas34/l988jd5oxd26/wish/232163773 It could show in side the body part near the ear so we can see were it goes.]]> 2018-02-15 21:24:56 UTC https://padlet.com/dthomas34/l988jd5oxd26/wish/232163773