Found 10 - 20 results of 49 programs matching keyword "secret bells activity"
An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch. A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands. 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. Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica. Join Exploratorium senior scientist Paul Doherty as he serves up hands-on activities related to science in Antarctica. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: wire! In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: candles. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: paint. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: sugar. In this zany competition teachers have ten minutes to create a science activity from a special secret ingredient. This week: baseball equipment.
