IBL+lesson+on+sound+-3E2+PP

__** BL Lesson on Sound waves **__


 * Exploration- Listening OpporTUNity!**


 * A. Checking Understanding**

In your groups, answer and post below on the following questions:
 * 1) Write what you know about sound waves. ( you can describe applications as well)
 * 2) What would you like to learn more about sound wave?

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 * B. Collecting Understanding**

Based what you have heard and discussed, state at least two properties/ideas you learnt about Sound waves Post them below on the board below.

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