Ask an Expert: Model of Matter 6th grade
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My son has to do a Model of Matter 6th grade project. We made 3 dimensional models of molecules of liquid, solid and gas. We also need to "show the motion of the molecules in all three states". Please help us! We have no idea how to make a movable model...
See http://www.sciencebuddies.org/mentoring/phpBB2/viewtopic.php?t=2800 and ignore my stupidity for not catching that the grade level was in the thread title (which unfortunately is NOT shown in the review/reply pane).