+
Interactive
Physics Classroom

Kelper's Three Laws

For Students 9th - 12th Standards
A flipped classroom lesson introduces astrophysics fanatics to Kepler's three laws of planetary motion. After reading about the laws of ellipses, equal areas, and harmonies, and also learning how Newton's gravitation concepts come into...
+
Worksheet
Green Planet Solar Energy.com

Order of Operations 2 - More Practice!

For Students 5th - 7th
Your learners will get plenty of practice calculating expressions remembering to use order of operations in this worksheet.