Grade 4 Science: Build a Light or Sound Device Project

Virtual Library: Pebble Go: https://site.pebblego.com/modules/2/categories/2998

Building a Periscope
https://www.youtube.com/watch?v=vaDOGKdRMzg

How to make a kaleidoscope

https://www.youtube.com/watch?v=bfv0EPxMpkU

https://www.youtube.com/watch?v=uvPFJpwuzFM


How to make a telescope
https://www.youtube.com/watch?v=9QwwhTu5N-I

Making musical instrument using recycled materials 

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