Upper Elementary (3-5)
Knows that air is a substance that surrounds us, takes up space and whose movement we feel as wind.
Examples Referencing Requested Benchmark
How Thick is the Atmosphere?
There\'s Air in There!
View all Examples
Chosen as a Selected Web Resource by the National Council of Teachers of Mathematics
NASA Official: Ralph A. Kahn
Webmaster: Susannah Pearce
: © 2014 Practical Uses of Math And Science.
ALL RIGHTS RESERVED Based on U.S. Government sponsored research