CK-12 Foundation
Ck 12: Physical Science: Compounds
[Free Registration/Login may be required to access all resource tools.] Investigates compounds and their properties, the elements that form them, and their structure.
Smithsonian Institution
National Museum of Natural History: The Splendor of Diamonds
Describes past exhibition of some of the finest gems in the world, this collection of precious diamonds includes several rare and valuable stones.
Sophia Learning
Sophia: Geology: Rock Classification Overview
Understand how to classify rocks and minerals with this concise tutorial.
California State University
California State University: Crystallization and Solution
This site from the California State University provides good information on the crystallization of a supersaturated solution. The article is not too in-depth, and several pictures are provided along with a short movie on the subject.
Davidson College
Davidson College: Network Solids: Crystalline Solids
Explains the differences between ionic, molecular, metallic, and network crystalline solids. Displays structures for diamond, graphite, fullerene, and silica, accompanied by questions about their chemical bonding. Electron density plots...
Florida State University
Florida State University: Molecular Expressions: Making Crystals
Students will work in groups to grow crystals in different conditions, and then make conclusions about how and why crystals form. A detailed procedure and materials list, follow-up questions, and a teacher's guide that contains extension...
MadSci Network
The Mad Scientist Network: Chemistry
Using a question and answer format, this page addresses the question: "What effect may crystallization have on the optical properties of a material?" Crystalline and amorphous solids are compared and contrasted; their properties are...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Chemistry Is Crystal Clear
From the Science and Mathematics Initiative for Learning Enhancement (SMILE) program. A lesson plan analyze crystal samples and generalize about the six basic shapes of crystals. The formation of crystals is illustrated through various...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Crystals I
From the Science and Mathematics Initiative for Learning Enhancement (SMILE) program. A lesson plan in which students explore the properties of crystals. Includes a variety off hands-on activities. Great for stimulating an idea for a...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Crystals
From the Science and Mathematics Initiative for Learning Enhancement (SMILE) program. A lesson plan in which students study and model crystal patterns, properties, and structures. Utilizes real samples of crystals and styrofoam balls.
Other
Science House: Ice Cream
Experiment shows students how to use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Teacher's notes provide background information.
Michigan Technological University
Graphite & Diamond Crystal Structures
Illustrations of the crystal structure of graphite and diamond.
Ducksters
Ducksters: Science for Kids: Crystals
Kid's learn about the science of crystals. Repeating patterns of molecules form interesting shapes.
Science Struck
Science Struck: Crystalline vs. Amorphous Solids: The Difference?
Explains the difference between crystalline and amorphous solids and describes the properties of each.
Quia
Quia: Dig Into Geology
Site provides games and activities that will allow students to have fun, and learn more about rocks and minerals at the same time.