SCIENCE 2 - learned about pitch and volume. this was a little confusing for them in that they kept mixing up the words to describe each when I put them together. pitch can be high or low based on the speed of the vibrations that make sound waves. volume is either loud or soft depending on the force used to make the sound. questions like can pitch be loud or low kind of threw them off so I'll review it some more. they get it when I teach it separately. we reviewed the parts of the ear and I told them about cochlear implants and how they work. they thought that was very cool. I introduced frequency - the number of vibrations per second. we did experiments banging a large and small pot to hear the different pitch and we tapped a large and small nail to hear pitch. we practiced increasing and decreasing the volume using force. I showed them how to use a playing card against a spinning bike tire to see the vibrations and hear the changes in pitch - they thought this was really amazing!
SCIENCE K - did some experiments with measurement using our hands for one pictograph and pennies for another. I talked about how units of measure should be the same so that everyone can get the same measurements for things. they thought it was funny to see how different my measurements were because my hands are sooo big. I showed the ruler again and we talked about measuring with that to keep our measurements exact - just like scientists would. they were good and I think they all understand this concept.
Cindy - there were no books on Argentina or the folk tale - I'll send a world atlas I have that shows pictures of the country at least!
Rachelle
Tuesday, November 20, 2007
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