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There's Air in There!

Air pressure. Air has mass and takes up space. This is sometimes a difficult concept for kids to really understand.

Lorraine Remer
Date Accepted: 1997-02-11 Grade Group: Upper Elementary (3-5) Benchmarks: S1.2.4 S1.3.3 S10.2.3 Keywords: air air pressure gas mass straw bottle Microsoft Word: 11_28_96_1.docx PDF Document: 11_28_96_1.pdf