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Showing posts with the label stars

Light Bender

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On Nov. 18, 2016, to celebrate Young Readers League and its 2016 selection of Circus Mirandus by Cassie Beasley, we had a science program called "Be a Light Bender!" We had a jam-packed hour of activities exploring the physics of light and color. We did demonstrations of various phenomena, like the phosphors in a highlighter pen's ink getting excited by the ultraviolet light from a black light, and a demonstration of why the sunset looks red (the light has to travel farther through the atmosphere). We experimented with color filters and then used our knowledge to create secret messages for others to decode. We used CD spectroscopes to analyze various different light bulbs. We examined the way shadows change color when you shine colored lights on an object. The resource I used the most for this program was Exploratorium's "Science Snacks" on the website http://exploratorium.edu/snacks . It's a great site! Tons of experiments and activities with...

Great books about space and the planets

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I was doing some work on the nonfiction collection today, focusing on the shelves about astronomy, space, planets and time. While examining the books closely, I came across a few that I want to remember as being really interesting: Faraway Worlds: Planets Beyond Our Solar System , by Paul Halpern and Illustrated by Lynette R. Cook, is a fascinating look at the search for distant planets. It contains simple visual demonstrations of how scientists are able to find stars that have planets--the "wobbling star" is explained with a good diagram about the gravitational pull of a large planet. Halpern's writing is very accessible and Cook's illustrations take the book to another level of imaginative wonder, as she artfully speculates what a beach might look like on a planet with two suns. There is even a page at the end dedicated to explaining how Cook comes up with her illustrations. Really a fantastic and imaginative read. I found a lot of books about the Hubble ...