echo chamber
Monday, July 5th, 2010
We have been singing a number of songs over the past few weeks in which the children have to echo song lines. For example our cuckoo songs we posted about on Thursday.
Other popular echo songs we’ve been enjoying are on the ‘Feeling the beat‘ and ’Echo Fred‘ CD’s by Kids Music Company.
We took the opportunity to ask the children if they knew what an echo was. A few of them related an echo to repeating song words (too cute) while others described it as “when you call out really loud and you can hear your voice over and over again”!

We have a large plastic barrel which we usually have outside that the children enjoy using as a hiding place or to roll each other around the yard in.

Last week when it was really wet, we brought the barrel inside so we could have some experimental fun with echos. We explained to the children how an echo happens when sound waves travel through the air and bounce off solid objects but they were still a little puzzled as to how our plastic barrel was going to make echos.

Naturally the children expected they would have to YEEEEELL into the barrel to get an any kind of an echo …

so they were quite fascinated, and we were relieved, to learn that they didn’t …

in fact hearing their whispers so clearly was very interesting for all of us.

Even a soft clap outside the barrel sounded extremely loud inside!

Our echo chamber was the source of great interest to the children for most of the morning …

until this happened …

then this …

and this!

Because as an echo chamber …

it still makes a great hiding place!
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