Where Do Echoes Come From?

Where Do Echoes Come From?
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712 KB|8 pages
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Product Description
This daily science unit for grade 2 presents directions and five activities in which students learn that echoes are caused by sound waves bouncing off a surface, and that some animals use echoes to navigate and to find food. Week 2 of 5 on 'Big Idea 5: Sounds are made by vibrating objects and can travel through solids, liquids, and gases.' Includes answer key.
Total Pages
8 pages
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N/A
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Unknown
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