September 10

Matter

First grade continued their study of matter.  We did several experiments with gas (air) and liquid (water).  Two of them follow:


We placed a tissue in the top of a cup.  Then we plunged the cup straight down into a tub of water.  After we lifted the cup straight up, we discovered the tissue was still dry!  What kept the tissue dry?

We placed a note card over the top of a glass of water.  We flipped the cup over, but the water didn’t fall out and the paper stayed in place. Wow, air pressure is strong!


Posted September 10, 2014 by pbright2 in category Science

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