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"Mining is a complex process in which valuable or useful materials are removed from large masses of rock. In this activity, students use birdseed and colored beads to mine for """"precious metals"""" and """"gold."""" At th end of the activity, students can count up their winnings. The students gain...
Grade Level   4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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On our ever-changing Earth, conditions may change quickly or slowly. Some changes come from natural processes; some from human activity. Satellites allow us to see conditions and track changes over time — in land use, forest health, land/water interface, and so on. Since 1972, Landsat...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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