Saturday, February 13, 2010

The Great Helium Balloon

Today Natalia went to a birthday party, and came home with a blue, star-shaped balloon, cowboy hat, and green balloon sword. Later I did a small test.

On the way home, in the car, I tried to pinch it, and could not. But when we got outside, I could pinch it so that the material touched. But when we got inside it blew up again.

That proves that in different temperatures, air moves into particles.


  1. Katya,

    I was so happy to answer the phone today and hear that it was you calling me! I miss you!


    Grandma Streusel

  2. Your are right in your observations and analysis - the gases (air or any other kind) do increase in volume when temperature raises. Very nice experiment!

  3. Hi Katya! I don't know if you still post on this blog, but I thought I'd leave a comment anyway! I found your mom's blog today and then found yours from hers. I love singing, reading, cats, and American Girls too ;-) Have a great day!!

    ~Joy Caroline


I can't wait to get comments! You can ask me questions about Moscow and I'll answer you.