Friday, August 22, 2008

UV RAYS? UV BEADS!


INSIDE the HOUSE






Outside, in the shade





Full Sunlight





I bought some UV BEADS from Steve Spangler's Website. They are white until exposed to UV light. Then they turn colors. Today I gave each boy about 10 white beads. they don't change colors i the house. They closed their hands and we went outside. We sat and I had them close their eyes and open their hands. When they opened their hands, their beads were no longer white, but all colored. They realy liked that. Then we sorted colors and made them white. They we took 3 reds. Used 2 different sunblocks and 1 without. Then out them in the sun to watch the differneces. Our Sunblocks are old and don;t work well. Then I used my sunglasses. Put one purple behind the lense and one in the full UV. We tried black and white paper, but that made no difference. Ki tried his in soapy water, it slowed down the change a little. Then they just had fun playing.




4 comments:

Anonymous said...

That is really cool!

Mamacita (The REAL one) said...

Lots of parents are helping their kids make bracelets out of the Steve Spangler beads. Then, you've got an art project that the kids can wear, and, more importantly, you've got a way to know when it's time to re-apply the sunscreen! It lets the child learn responsibility for that, too. Just both of you keep watch on that bracelet (coat it with sunscreen, too) and when the beads start turning colors, it's time for more sunscreen!

Have you signed up for the Experiment of the Week over on Steve Spangler's website? It's awesome! We haven't had a dull day yet this summer, and I haven't had to BUY anything, either. All of the experiments were such that we could do them with stuff I already had in the pantry.

http://www.stevespanglerscience.com/experiment-of-the-week.html?source=blog

Elisheva Hannah Levin said...

They look like such fun!
And I couldn't help but notice that your blog entry changed colors, too!

Was your computer out in the sun? :)

katjandu said...

I like Elisheva's comment about your computer.
Those beads look like a lot of fun, I'll have to get some later and try it out. I think they would make great gifts or maybe could be turned into an online business. Beads to help people know when to re-apply their sunscreen.
Keep up the GREAT work!

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