Kids' Science Challenge #18

Challenge Question 1.-

Is this animal an insect? What one observation was the clue to your answer?
Challenge Question 2.-

This balloon is filled with a gas called helium. The balloon got free from its moorings and is now rising up into the air. As it rises higher and higher into the atmosphere will it expand or shrink in size?

Check it out (the spider page)

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Explorit Science Center
P.O. Box 1288, Davis, CA 95617, USA
Phone: (530)756-0191     Fax: (530)756-1227