Curated OER
Rock Candy
Fourth graders observe and demonstrate the physical change of dissolving sugar in water and evaporating the water to examine the physical change that has occurred. They discuss physical changes and solutions, and make rock candy,...
Curated OER
Growing Rock Candy
Students observe the growth of rock candy. In this crystal growth activity, students make rock candy and measure the crystal growth over five days.
Science Buddies
Science Buddies: When Science Is Sweet: Growing Rock Candy Crystals
Though rock candy seems to be a simple enough treat, it is also pretty interesting to make. Crystallized sugar that can be grown from a sugar-water solution is just how rock candy is made. In this experiment, you will learn to make your...
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Grow Rock Candy
Learn about the crystal patterns and shapes of select minerals (diamond, quartz, muscovite, and topaz) and how to grow your own rock candy crystals.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Somethin' Sweet
This site provides a lesson plan using candy making to demonstrate physical and chemical changes in matter. Includes directions to make caramel and rock candy.
Science Bob Pflugfelder
Science bob.com: Make Your Own Rock Candy!
This concise site provides directions for creating rock candy using a super-saturated sugar water solution. Describes super-saturation following the procedure.