Activity 2: Sound can be bundled |
Category: AV-media (sound) |
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Target Group: 3 to 6 year old children in nursery school |
aims: The children realize that sound waves are
transmitted for example through the bundled air in the cardboard tube and in
funnels or through a piece of string and are thrown back by hard surfaces. |
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Where? the group’s
room |
How
long? approx. 45 minutes |
What?
experiments
examining sound |
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Preparation Materials: cardboard tubes, pieces of
string, spoons, tubes, funnels, yoghurt cups or tin cans, thin thread,
clocks, plates, books |
Steps:Papprollen bündeln den
Schall |
Teller reflektiert den
Schall |
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"Telefonieren"
mit dem Schlauch
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Faden leitet den Schall
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Ein Dosentelefon wird gebastelt |
Telefonieren mit dem Dosentelefon |
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Scientific Explanation: Free Experimenting 1 A cardboard tube bundles
the air. Sounds grow louder. Demonstration 1 Sound waves are
reflected by hard surfaces (plate) and travel to the ear through the second
tube. Free Experimenting 2 The air bundled in the tube
transmits sound. A telephone works in a similar way. Demonstration
2 Sounds is being transmitted into the ear by the string. |
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Attention!- |
Source: Ardley, Neil und Burnie, David:
Spannende Experimente aus Natur und Technik. Bindlach 1998 |
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To activity 3