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How we hear.

We looked at how we hear this week. Did you know that sound travels best through solids and liquids? 

We even got to work with some of our parents when we investigated how to make sound cancelling headphones!

How we hear, explained.

How we hear, explained.  1
How we hear, explained.  2
How we hear, explained.  3

We investigated how to make sound cancelling headphones, with the help of some of our parents.

We investigated how to make sound cancelling headphones, with the help of some of our parents.  1
We investigated how to make sound cancelling headphones, with the help of some of our parents.  2
We investigated how to make sound cancelling headphones, with the help of some of our parents.  3
We investigated how to make sound cancelling headphones, with the help of some of our parents.  4
We investigated how to make sound cancelling headphones, with the help of some of our parents.  5
We investigated how to make sound cancelling headphones, with the help of some of our parents.  6
We investigated how to make sound cancelling headphones, with the help of some of our parents.  7
We investigated how to make sound cancelling headphones, with the help of some of our parents.  8
We investigated how to make sound cancelling headphones, with the help of some of our parents.  9
We investigated how to make sound cancelling headphones, with the help of some of our parents.  10
We investigated how to make sound cancelling headphones, with the help of some of our parents.  11
We investigated how to make sound cancelling headphones, with the help of some of our parents.  12
We investigated how to make sound cancelling headphones, with the help of some of our parents.  13
We investigated how to make sound cancelling headphones, with the help of some of our parents.  14

Finally, we discussed the difference between pitch and volume.

Finally, we discussed the difference between pitch and volume.  1
Finally, we discussed the difference between pitch and volume.  2
Finally, we discussed the difference between pitch and volume.  3
Finally, we discussed the difference between pitch and volume.  4
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