Candles
Students explore the melting and solidification of wax. They observe wax as it is heated and cooled, and make observations about this substance as it changes from a solid to a liquid, and back again.
Science concepts: States of Matter, Properties of a solid and a liquid
Grade Level: Grades 1,2,3,4
Level of Engagement: Hands-on
Resources Required: Wax, Double boiler (you can use a coffee can in a saucepan of water), Hot plate, Goggles, Tongs (to handle container of melting wax), 1 paper cup (3–5oz “Dixie cup” size), 1 wick (available at craft stores), Crayons (optional), Scissors
Possible extensions: Please see the Candles activity in Science World’s website.