January 26, 1875, George F. Green of Kalamazoo, Michigan, patented the electric dental drill for sawing, filing, dressing and polishing teeth, described as an “electromagnetic dental tool” on patent #159,028.
January 20 is Penguin Awareness Day. Penguin Awareness Day, and World Penguin Day are great opportunities to learn about and appreciate one of the few.
As you are striving to implement the NGSS Scientific and Engineering Practices in your classroom, here’s a free tool to help you. I Wonder Circle The I Wonder Circle, which.
Are you struggling with how to integrate NGSS Practices in your classroom? Science Companion can help. Science Companion Prime, a Pre K-Grade 6 print and digital science curriculum developed by the.
Life Cycles – Butterflies – Larger Caterpillars In this lesson overview, Jack reviews what will happen during the growth period of the experiment and what students will observe as the.