Learn about electricity, and see how current, amperes, volts, and circuits are related as well as why electrical safety is so important. [5:16]

This video review over the basics of gears including ratio, rotation, mechanical advantage, and more. [10:58]

Learn about magnetic fields with interesting information about north and south magnetic poles, magnetic field lines and compasses. [2:30]

This informative video will explore Newton's Three Laws of Motion. Learn how objects move, stay moving, and stop according to these laws. [11:39]

Learn how to measure force, how we use simple machines to make work easier for us, how this is related to gravity, and how pulley systems work. [12:28]

Learn about Sir Isaac Newton, developer of the laws of motion and universal gravitation. [4:49]

Learn how Charles Darwin became one of the most influential scientists of all time with this short biographical video. [3:38]

Find out about Ernest Rutherford, the father of nuclear physics. He made a range of important contributions to this field and also won a Nobel Prize in 1908 for his work in chemistry. [1:28]

A brief biography about Galileo Galilei, an Italian scientist and inventor who contributed greatly to the fields of physics and astronomy at a time when new ideas and radical thinking were controversial. [2:11]

Learn about Johannes Kepler's upbringing, education, published work and more with this short biographical video that gives a nice overview of who he was and what he achieved. [1:29]

Learn about Nikola Tesla, a scientist and inventor who played a key role in the field of electromagnetism and greatly contributed to the development of commercial alternating current electricity. [2:53]