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00:00:24
An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

00:02:32
A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands.

00:01:48
The science behind this instrument, including a discussion of how vibration produces sound, and how long, massive objects vibrate slowly and produce a low-pitched sound, while shorter, less massive objects vibrate quickly and produce a high-pitched sound.

00:18:47
Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica.

00:23:05
Join Exploratorium senior scientist Paul Doherty as he serves up hands-on activities related to science in Antarctica.

00:53:52
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: wire!

00:39:56
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: candles.

00:40:59
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: paint.

00:54:10
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: sugar.

01:01:45
In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: baseball equipment.