gear model - Simple Machines
Ocean Lapbook10 by jimmiehomeschoolmom, via Flickr
pop rocks and soda
Simply only two ingredients. Looks too fun not to try.
area and perimeter math journal entry @ Runde's Room
a "simple machine"
My Five Senses Anchor Chart
Interactive Science Notebooking, I sooooo want to do this, this year.
Colorful slime fun for kids....
Marble Races with a cheap pool noodle (boys would be occupied for hours.) motion