GRADES 5 - 8
GROWING CRYSTALS

OBJECTIVES: Students learn about the different types, visual appearanc eand creation of crystals. Students grow an edible crystal - rock candy. SAFETY NOTES: ADULT SUPERVISION REQUIRED This experiment should be conducted by an adult(s), not students. Very hot liquids and glass jars are used. NATIONAL SCIENCE STANDARDS: Physical Science: Properties And Changes Of Properties In Matter (5-8) Unifying Concepts And Processes Standard: Systems, Order, and Organization STANDARDS FOR TECHNOLOGY LITERACY: The Nature of Technology: Students will develop an understanding of the characteristics and scope of technology. Students will develop an understanding of the core concepts of technology. The Designed World: Students will develop an understanding of and be able to select and use agricultural and related biotechnologies.

LECTURE AND PREPARATION TIME: Lecture Time: 15 Minutes Preparation Time : Up To 1 Week LESSON TIME: 30 minutes WORDS TO KNOW: chemical formula crystal evaporation rock candy supersaturation SPECIAL NOTES: Although the science concepts and vocabulary are intended for middle school students, younger and older students may enjoy this activity. Note: This experiment should be conducted by an adult(s), not students. Very hot liquids and glass jars are used.