Curated OER
Symmetry
In this symmetry worksheet, students use the alphabet to determine how many letters have a mirror plane, rotational axis, or an inversion center. Students determine the symmetry elements and the point group for different chemical...
Pennsylvania Department of Education
Rotational Symmetry of Polygons and Other Figures
Young scholars explore geometry by participating in a shape rotation experiment. In this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Young scholars analyze shapes as they are turned 90...
Texas A&M University
Ocean World: Bringing the Ocean to the Classroom
Online resource for students and teachers to see information on icebergs, fisheries, coral reefs, waves, currents and more. Provides teachers with learning activities. Has its own ask-an-expert site (Ask Dr. Bob), and provides real-time...
CK-12 Foundation
Ck 12: Physics: Circular Motion Study Guide
This study guide on circular motion covers key terms, centripetal force, linear vs. circular motion, precession, and equations. Includes four example problems with detailed solutions. The guide is available for download with free...