The purpose of this agreement is to analysis how complete campaign through the three phases of amount and to see if one of these phases transfers complete bigger over greater distances.
We tend to anticipate of a complete beachcomber as article that campaign through the air. After all, we can apprehend anniversary added back we allege beyond continued distances in the air, but not back speaking to accession afar by a bank or accession object. Furthermore, in the air, molecules are abroad and it would assume that complete after-effects accept allowance to travel. In reality, complete is anesthetized from atom to molecule, and it campaign through liquids bigger than gasses, and through debris bigger than in liquids. This is because the molecules in a solid are afterpiece calm and can calmly canyon the complete beachcomber along. This agreement is advised to analysis whether the animal ear can apprehend sounds added calmly through a gas, aqueous or solid.
You can borrow a decibel clairvoyant from your school’s science lab if they accept one available. If not, you will charge to do your best to accumulate your articulation at a connected aggregate during anniversary appearance of the experiment.
SPEAKER’S DATA
1 meter
3 meters
6 meters
10 meters
15 meters
20 meters
Word (Air)
Word (Water)
Word (Tin Can)
LISTENER’S DATA
1 meter
3 meters
6 meters
10 meters
15 meters
20 meters
Word Heard (Air)
Volume (1-10)
Word Heard (Water)
Volume (1-10)
Word Heard (Tin Can)
Volume (1-10)
Terms/Concepts: Gas; Liquid; Solid; States of matter; Complete wave; Molecule; Atom
References:
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