Aug. 01, 2011
Make Craters with Mini-Meteors
by Bring Science Home
The Earth's surface has craters created by collisions with rocks—called meteors—that crash into its surface. The Meteor Crater site in Arizona is about 4,000 feet (1,219 meters) across and about 570 feet (174 meters) deep. So does that mean that was the size and shape of the meteor that crashed there? Nope! It was much smaller than that. In this activity from Scientific American's 'Bring Science Home', you can use small snacks to study this striking feature of Earth's—and the moon's—surface.
Jul. 25, 2011
Yeast Alive! Watch Yeast Live and Breathe
by Bring Science Home
Have you ever looked closely at a piece of sandwich bread—really closely? Notice all of those tiny holes? They probably got there thanks to tiny living organisms called yeast. In this activity from Scientific American's 'Bring Science Home', you will use yeast to blow up a balloon.
Jun. 27, 2011
It's a Solid... It's a Liquid... It's Oobleck!
by Bring Science Home
Why is it so hard to get out of quicksand? Is it a solid? Is it a liquid? Can it be both? In this activity from Scientific American's 'Bring Science Home', you will make a substance that is similar to quicksand—but much more fun. Play around with it and find out how it acts differently from a normal liquid and a normal solid.
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