Everwonder What Colour is Water? – YouTube

Have you ever wondered why water is clear in a glass but blue in our lakes and swimming pools? It’s all about the spectrum of light! We break it down. Check …

Sourced through Scoop.it from: www.youtube.com

See on Scoop.itBook Week 2015 Books light up our world


About petraspets2

Love to read, love to learn. Teacher Librarian in a PYP School in Australia.
This entry was posted in Web. Bookmark the permalink.