While we are still continuing with Secrets of the Universe (having embarked on Liquids and Gases ) it is time again for Journey North .  M...

Objects in Motion , Chapter 5 part 1, Conservation of Momentum. I turned to a favorite book of mine, Gizmos and Gadgets , and found a b...

Objects in Motion , Chapter 4, The Law of Universal Gravitation. This chapter brings together Kepler, Galileo, and Newton, especially the ...

Chapter three of Objects in Motion is Newton's Three Laws of Motion.  I collected several different demonstrations for this class, and ...

Week 3 introduces us to the famous legend of Galileo dropping objects from the Tower of Pisa.  We completed the student exploration guide ...