Wednesday, June 10, 2009

Si the Science Guy

Project 365 - June 10

Although he doesn't know it yet, this little guy won the Student of the Day award this morning.

I think next week Josiah will be presented with something fitting for a young scientist-in-training.

In the meantime, let me tell you about this coolest of experiments he's demonstrating:

1. Place a candle in the bottom of a small glass and light it.

2. Place a dampened piece of thick handmade paper (or something similar made of plant materials, not wood) over the top of the glass.

3. Invert another identical glass on top so that the rims match up perfectly.

The candle will go out when the oxygen is used up in both glasses (the handmade paper is air-permeable) and the greater outside air pressure will force the two glasses together to the extent that you can pick the top one up and the bottom one will not fall off.

Pretty darn cool. I think I impressed myself more than the boys with that one. :)


Newton said...

you impressed me. The suspense was killing me and then it happened, you reveled the wonderful beauty of air pressure! I loved it!

Grace to You said...

Too bad I don't understand the wonderful beauty of air pressure like you do! :D