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Eq

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YG
I knew that waves are in the air and in the water. Waves is another way that sea animals communicates.

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I didn’t know anything about it and what I learned is that the higher the sound the higher the waves

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AM

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B.D

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Waves bounce off of things to make echoes.

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EF

What I knew was that it had frequencies and what I learn was that there are differ even type of waves

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S.S one thing I knew is that they travel through energy. One thing I learned is that they could be straight.

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I know that waves travel back and ford. I learn that waves have more energy when they are close together.

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I knew that waves have more energy when they are closer together. The new thing I learned was that waves don’t move in just one direction and it will bounce back.

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How To measure the length and that there are different types. Something I learn is that they don’t only travel up and down and about the particles  it the air

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AR - I knew that waves travel in the air and sometimes come back to you. I learned that waves travel in different frequencies

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One thing that I knew about waves already is that they have frequencies and one thing that I learned is that a type of waves is sonar.

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E.P
One thing I knew is every sound is a wave
One thing I learned is there are many different types of waves