On this page, you will find resources we are using for the “Secrets of the Universe” series by Paul Fleisher. It will be updated periodically.

Last Updated: January 18, 2026

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Liquids and Gases: Principles of Fluid Mechanics

• Chapter One: Archimede’s Principle
  • Science at Home: Principle of Buoyancy Experiment from North Carolina Museum of Natural Sciences

• Chapter Two: Pascal’s Laws – How Liquids Behave
  • Pressure at Depth – F-J’s Physics – The Leaking Can
  • “Water seeks its own level” – Pascal’s Law – F-J’s Physics – Video 77
  • Hydraulics – Hydraulics Explained – F-J’s Physics – Video 56
  • Hydraulic Braking System – Physical Science 3.3b – Hydraulic Brakes
• Chapter Three: Boyle’s and Charles’s Laws – How Gases Behave
  • Boyle’s Law of Ideal Gases
  • Charles’s Law of Ideal Gases
  • Pressure – The self-inflating balloon – F-J’s Physics – Video 13
• Chapter Four: Bernoulli’s Principle
• Lift: Bernoulli’s Principle (How Things Fly Demonstration)
• Levitating Ball – Coandā Effect, Bernoulli Effect – F-J’s Physics – Video 27

Matter and Energy: Principles of Matter and Thermodynamics

• Chapter One: The Law of Conservation of Matter
  • Defying the Law of Conservation of Energy? – F-J’s Physics – Video 108
• Chapter Two: How the Elements Combine – The Law of Definite Proportions and Gay-Lussac’s Law
  • Gay-Lussac’s Law of Ideal Gases