Find an excellent tool for cryosphere (ice) work. Take a look at the bullet feature list at the bottom of the page: Using this tool, you can track the upcoming 2017 Arctic maximum sea ice extent value with students, especially as this value may, again, be a record breaker.
Grade Level   9 10 11 12
Classroom Activities Curricula and Instruction
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NASA's visible earth project shows photosynthetic productivity for the earth in animated images of the earth.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Teaching Media Videos or Animations
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