gadrian_1844335
Updated: 
2016
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Resource
  • Multiple Subjects
  • Middle School
Describe the movement of water through the water cycle . Describe how water runs off land. Compare fresh water and salt water.
Resource
Preparing for a Soft Landing introduces students to NASA's plans to return to the moon. Thinking and acting like scientists and engineers, students...
Resource
  • Science
  • MS, HS
To understand how a satellite in space can accurately measure Earth's surface.
Resource
  • Science
  • K-2, 3-5, MS, HS
In this activity participants learn about light refraction and birefringence by viewing sculptures of transparent tape through polarized film.