Group items tagged

"The activities in this guide promote problem solving, communication skills and teamwork. Earth and space science subjects include lunar geology and regolith, distance to the moon, Apollo landing sites and life support systems. "

video preview of Steve Irwin's last great adventure w/Philippe Cousteau, view a photo gallery of creatures, access Cousteau's vi

"About Birthstones birthstones A birthstone is the "gemstone associated with the date of one's birth, the wearing of which is commonly thought to bring good luck or health. Supernatural powers have long been attributed by astrologers to certain gemstones." - from Encyclopedia Britannica Birthstones come in a colorful array of sparkling jewels and glowing gemstones, each one with its own place in history and myth. From folklore tales, Biblical texts, and the annals of history, these gems have had a special place in both the hearts and minds of humanity. Discover historical facts, origins, trivia, fun facts, myths, and more about each month's birthstone by selecting the month of your choice from the menu at the left. "

created by elem. students.

A Primer of Gemstones Where do diamonds fit into the pantheon of gems? Here, we present 20 of the world's most prized gemstones, together with the properties that experts use to distinguish them from one another and from artificial lookalikes. Click on the gems at left and become, for the moment, a gemologist.

neat site that tells where in the US you can find various gemstones native to the area.

"Gemstone jewelry is always a winner, but do you know what characteristics to consider when you buy gemstones? These tips will help you evaluate and buy gemstone jewelry."

info on birthstones and gems

gems and minerals

"Mineral Sciences Exhibitions"

perception of color and other neat stuff

explanations for technical subjects that are both clear and accessible

great site with many interesting links