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Alabama Learning Exchange
Alex: Estimation Station
During this activity, learners will learn the difference between estimation and guessing. Knowing how to estimate is an essential skill that will help students determine approximate totals as well as check the reasonableness of their...
Smithsonian Institution
Smithsonian Education: Minerals, Crystals, and Gems
Through this series of three lessons, students will gain an understanding of the basics of mineral science. In their investigation they will also work through the scientific process as they practice their observation skills, form...