Succeed in Physical Science
Physical Science consists of the studies of Astronomy, Chemistry, Physics and Earth Science. It is concerned with physical properties, as opposed to the study of the charactertistics of living things done in the Life Sciences.
Knowledge of Physical Science is important for the development of the products we use. It is also an interesting and exciting subject of value in many walks of life. There is a great need for people who understand scientific principles and know how to think logically. Your knowledge and skills in these areas can help you excel in school, advance your career or improve your business.
The purpose of these free online lessons is to give you a start at improving your scientific knowledge to help you become a champion in the field. If you have any questions, send us an email.
Note: We now have many lessons in audio, so you can read along the spoken word.
Special thanks to Diego Mastrangelo, who has an engineering background from the University of Buenos Aires in Argentina, for helping to edit many of the Physical Science lessons.
Contents
Basics of Physical Science
- Defining Physical Science - audio
- Using Mathematics in Physical Science - audio
- Fundamental Units of Measurement - audio
- Using a Scientific Calculator
- Sensors and Detectors - audio
- Physics of Computer Games - audio
- Jobs Using Physical Science - audio
- Become a Champion in Physical Science - audio
- Three Levels of a Champion in Science - audio
Motion
- Relative Motion, Speed, Velocity and Acceleration - audio
- Newton's Laws of Motion - audio
- Motion and the Law of Inertia - audio
- Orbital Motion and Kepler's Laws - audio
- Periodic Motion - audio
- Pendulum Exhibits Periodic Motion - audio
- Simple Pendulum Equations - audio
- Newton's Cradle - audio
Force
- Characteristics of Force - audio
- Units of Force
- Force Affects Motion - audio
- Force and Torque - audio
- The Mysterious Force at a Distance - audio
- Fundamental Forces
- Pressure is Force per Unit Area - audio
Force of Gravity
- Gravitation and the Force of Gravity
- Newton's Universal Gravity Equation
- Gravity Equations for Falling Objects
- Gravity Equations for Upward Motion
- Influence of Gravity in the Universe
- Modern Views of the Force of Gravity
Friction Force
- Resistive Force of Friction - audio
- Uses, Advantages and Disadvantages of Friction - audio
- Causes of Friction - audio
Sliding friction
- Standard Friction Equation - audio
- Changing Sliding Friction on Hard Surfaces - audio
- Coefficient of Friction Values for Clean Surfaces - audio
- Coefficient of Friction Values for Greased Surfaces - audio
Rolling friction
- Role of Friction in Starting Rolling Motion
- Rolling Friction - audio
- Rolling Friction and Automobile Tires - audio
- Preventing Loss of Traction
Fluid friction
Work and Energy
- Work is a Result of Force
- Types of Energy - audio
- Kinetic Energy Concerns Movement of Matter
- Relationship between Work and Kinetic Energy
- Potential Energy
- Simple Machines
Heat and Thermodynamics
- Thermal Energy is Total Kinetic Energy
- Heat
- Heat Transfer
- Heat Transfer with Hot Coffee
- Heat Transfer on Earth
- Thermodynamics is Connection Between Heat and Work
Temperature
- Temperature is Average Thermal Energy
- Temperature Measurement: Thermometers
- Temperature Scales
- Lower and Upper Temperature Limits
- Equations for Temperature Limits
Heating
- Heating a Greenhouse
- Thermal Insulation Prevents Heat From Escaping
- Thermos Container has Good Insulation
Matter
Particles of Matter
- Structure of the Atom - audio
- Atomic Weight
- Subatomic Particles
- Neutrons are Neutral Subatomic Particles
- Are Atoms Tiny Solar Systems?
- Antiparticles
- Antimatter
- Nuclear Reactions
- Radioactivity
Density
States of Matter
- States of Matter
- Changing States of Matter
- Pressure and States of Matter
- Heat Required to Turn Ice into Steam - audio
- Mpemba Effect: Hot Water Freezes before Cold
- Evaporation
- When Water Vapor Becomes Snow
- Dry Ice
Fluids
- Characteristics of Fluids
- Pressure in Fluids
- How Objects Float in Fluids
- Applications of Fluid Principles - audio
Electricity and Magnetism
Static Electricity
- Basics of Static Electricity
- Static Electricity Forces
- Causes of Static Electricity
- Electrostatic Induction
- Detection of Static Electricity
- Materials Causing Static Electricity
- Static Electricity Sparks
- Static Electricity and Lightning
- Lightning Protection System
- Static Electricity Shocks
- Reducing or Preventing Static Electricity Shocks
- Controlling Static Electricity
- Overcoming Static Cling and Flyaway Hair
- Generating Static Electricity
- Uses for Static Electricity
DC Electricity
- Direct Current (DC) Electricity - audio
- Direct Current (DC) Electrical Circuits - audio CHK
- Ohm's Law for Electrical Circuits
- DC Electricity Resources
AC Electricity
- Alternating Current (AC) Electricity - audio
- Alternating Current (AC) Transformers - audio
- Worldwide AC Voltages and Frequencies - audio
- AC Home Wiring - audio
- Electrical Power - audio
- AC Electricity Resources
Magnetism
- Magnetism
- Magnets
- Detection of a Magnetic Field
- Factors Determining Magnetic Properties
- Classifications of Magnetic Materials
- Moving Electrical Charges Create Magnetic Field
- Magnetism and Lorentz Force
Electromagnetism
- Basics of Electromagnetism - audio
- Generating Electrical Current - audio
- Electromagnetic Devices and Inventions - audio
Wave Motion
- General Wave Motion - audio
- Units of Frequencies and Wavelengths
- Doppler Effect for Waveforms
- Pulse Waves - audio
- Waves and Obstacles - audio
- Waveform Noise - audio
Acoustics - Sound Waves
- Sound Waves
- Creating Sound Waves
- Frequencies and Wavelengths of Sound
- Speed of Sound in a Gas
- Traveling Faster than Sound
- Doppler Effect for Sound
- Doppler Effect Equations for Sound
- Making Sounds with Musical Instruments
- Sound or Music from a String
- Equation for Sound from a String
- Detecting Sound Waves
- How Obstacles Affect Sound Waves
- Echoes - audio
- Sound Amplified Over Water
- Reproducing Sounds
- Beat Frequencies in Sound
- Acoustics in Buildings
- Noise Reduction
- Active Noise Cancellation
- Hearing - Using your Senses
Optics - Visible Light Waves
- Visible Light
- Speed of Light
- Doppler Effect Equations for Light
- Refraction of Light
- Snell's Law for the Refraction of Light
- Dispersion of Light
- Optical Devices
- Lasers
- Laser Battle Game (Java applet)
Electromagnetic Waves
- Electromagnetic Waves - audio
- Electromagnetic Spectrum
- Infrared Radiation
- Infrared, Gases and the Greenhouse Effect
- X-rays
- X-ray Characteristics
- X-ray Generation
Resources
- General Physical Science Reader Feedback
- Physical Science Resources
- Astronomy Resources
- Experiments and Science Fair Projects
- Interactive Graded Tests
- Biographies
- List of Champion Schools
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Miscellaneous
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