Discovery Education
Discovery Education: Physical Science
The Discovery Channel provides numerous lesson plans dealing with the physical sciences. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.
Physics Classroom
The Physics Classroom: Kepler's Second Law
Kepler's second law of planetary motion is stated and explained. An animation of the orbit of a planet and an accompanying graphic assists in explaining the meaning of the law of equal areas.
Science Fun for Everyone
Science Fun: Egg Drop
Learn about inertia with this egg drop science experiment. Try not to crack too many eggs!