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Quit Humming! ~ Science Sunday

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Science Sunday

Question of the Week…

Items we used for this experiment:

~ hands, ears, eyes, noses and mouths

Predictions and Experiment…

Each of the kids made a prediction about what would make a person stop humming: covering his eyes, covering his ears, covering his mouth, or pinching his nose shut. We recorded our guesses {even Kaleb played along with us} and started the experiment.

Kaleb started humming and Daddy came up to him and began trying all of the options {with many giggles}.

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The one way that he stopped humming? Plugging his nose!
 

The Nutshell Reason…

Air travels up over the vocal chords and comes out through our noses. When the nose is pinched shut, the air is unable to escape {because our mouths are shut and humming} and the air stops traveling over the vocal chords ~ and the humming stops!

After the Experiment…

While the kids drew pictures of what had happened during our experiment, Daddy was busy helping Kaleb draw a picture for his recording sheet. Since he was the one pinching Kaleb’s nose, he made sure to add in {and exaggerate} his muscles…much to the kid’s delight. :)

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How to Do Science Experiments with Children Resource: How to Do Science Experiments with Children is available from Amazon and you can also check it out {and do some of the experiments} using Google Docs! The experiments use easy-to-find objects and also include record sheets for kids to fill out with their predictions and experiment results. Each experiment also includes teaching tips and explanations…which are rather handy! :)

Don’t forget to check out some other great science ideas at Science Sunday hosted by Ticia at Adventures in Mommydom.

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Comments

  1. Genius! We’re going to try this. Is it bad that I tried it on myself? LOL

  2. What a super fun and easy experiment! Love Rick’s drawing :-P

  3. Almost Unscoolers says

    This is an excellent experiment!

  4. Cooperkelly4 says

    ok, this is too cute. We are going to be studying the 5 senses for MFW Kindergarten and this will be a fun thing to try with it. =0)

  5. Looks like fun!

  6. I’m LOL at those arms! Too funny!

    Great experiment.

  7. I love the faces he’s making in the pictures. And your husband’s drawing, awesome!

  8. What a neat experiment! I’ll have to do this one with my kids. :-)

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