|Product #: EMC5012022_TQ|
Where Do Echoes Come From? (Resource Book Only) eBookGrade 2
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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.
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