Melt it and watch
Put ice cubes in cups around the room: in the sun, in the shade, in a hand. Kids predict which melts first and check every ten minutes. They see solids becoming liquids right in front of them.
Why it works: the U.S. Department of Education's guide for teaching elementary math recommends moving from hands-on objects to drawings to numbers.
Try it withMany States of Water WorksheetWorksheetsOpen it →























