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How do the natural shapes of gemstone crystals control what the final cut gem will look like? Where do gemstones come from? What makes them sparkle? Where do their colors come from? There's nothing as eye-catching as a piece of fine jewelry covered in beautifully colored gemstones. Natural...
Grade Level   5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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"This hands-on activity requires students to """"visit"""" different K-T boundary sites, evaluate the evidence at each site, find these sites on a map, and predict where the crater is located. It tests a diverse set of skills, including mapping, mathematical scaling, and interpretation of mixed...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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