Forces of Nature

Describes the forces of gravity and electromagnetism. Friction (4 types) is also discussed. Suitable for elementary school teachers.
0:00 Introduction to the 4 forces
0:47 Gravity
1:28 Magnetism
2:12 Electricity
2:43 "Force" in English
3:15 "Force" in science
5:27 Misconception about force and motion
9:00 Friction