Summaries of Step by Step Science Videos 📚

Energy, Work & Power (25 of 31) Calculate the Average Power Output of an Accelerating Car

Elimination Method, Systems of Linear Equations, No. 2

RC Circuits (8 of 8) Charging a Capacitor, An Explanation

Radioactivity (3 of 16) Three Types of Radioactive Decay, An Explanation

Atomic Structure (2 of 6) The Atom and The Periodic Table

Molar Conversions: Volume of a Gas to Grams of a Gas

Making YOU the Scientist: Freezing Point Depression and Phase Changes

Radioactivity (1 of 16) An Explanation

Point Charges (1 of 10) Electric Potential An Explanation

Chemical Reaction (5 of 11) Synthesis Reactions, an Explanation

Simple Harmonic Motion (8 of 16): Hooke's Law, Example Problems

Momentum (13 of 16) Elastic Collisions, Example 3

RLC Circuits (2 of 19), How to Calculate Inductive Reactance

Photoelectric Effect (8 of 8) A Summary (Clear and Concise)

Buoyancy and Archimedes’ Principle: Example Problems

Radioactivity (10 of 16) Decay Activity, Example Problems

Physics, Kinematics, Free Fall (6 of 12) Total Time In the Air from Known Initial Velocity

Momentum (3 of 16) Impulse, An Explanation

Resistors in Electric Circuits (7 of 16) Adding Resistors in Parallel, Part 2

From the Molecular Formula to the Empirical Formula

Thin Lens Equation (4 of 6) Concave Mirror, Object Distance Less Then f

What is a force?

Fluids: Specific Gravity, An. Explanation

Convert from Standard Form to the Slope Intercept Form of a Line

Energy, Work & Power (8 of 31) Work, An Explanation

Physics, Kinematics, Free Fall (4 of 12) Solving for Time to Fall from Known Height

Uniform Electric Fields: an Explanation

What is Resistance? An Explanation

COVID-19 Vaccine: Efficacy vs Effectiveness

Making a Density Graph

From Two Points Get the Slope Intercept Equation of a Line

Simple Harmonic Motion (13 of 16): Kinetic & Potential Energy, An Explanation

Thin Lens Equation (6 of 6) Concave Lens

Thin Lens Equation (5 of 6) Convex Mirror

Conservation of Mechanical Energy: Example Problems

Gravitation (4 of 17) Calculating Acceleration Due to Gravity (g)

Atomic Structure (1 of 6) What are Atoms? An Explanation

Percent Composition from a Chemical Formula

Radioactivity (5 of 16) Nuclear Fusion, An Explanation

Resistors in Electric Circuits (9 of 16) Combination Resistors No. 1

Gravitation (5 of 17) Calculating Orbital Velocity of a Satellite

Capacitors (4 of 9) Calculating the Capacitance of a Capacitor, An Explanation

Momentum (15 of 16) Elastic Collisions, Example 5

RLC Circuits (11 of 19) Series RL; Calculating Impedance, Current and Voltage

Molar Conversions: Moles to Number of Particles and Number of Particles to Moles

Resistance & Resistivity, An Explanation

Chemical Reactions (8 of 11) Stoichiometry: Moles to Grams

Electromagnetic Induction (1 of 15) Emf Across a Moving Wire, Motional Emf

Linear Equations from the Graph of the Line, No. 2

Gravitation (17 of 17 ) Conservation of Mechanical Energy, Final Velocity of a Satellite

RLC Circuits (7 of 19) Series RL; An Explanation, Voltage, Impedance, Phasor Diagrams

From y Intercept and a Point Get the Slope Intercept Equation of a Line

Resistors in Electric Circuits (6 of 16) Adding Resistors to Parallel Circuits, Part 1

Fluids & Pascals Principle with PhET Simulations

Resistors in Electric Circuits (3 of 16) Voltage, Resistance & Current for Parallel Circuits

Coulomb's Law (7 of 7) Force on Three Charges Arranged in a Right Triangle

Capacitors (2 of 9) What is Capacitance? An Explanation

Magnetism (9 of 13) Lorentz Force, Force on a Current Carrying Wire

Magnetism: Superposition of Magnetic Fields, Example No. 1

Gravitation (13 of 17) Orbital Velocity at the Surface of the Earth

Point Charges (9 of 10) Work, Potential Energy & Potential, Part 1

Magnetism (13 of 13) The Motor Principle and Simple DC Motors

Resistors in Electric Circuits (12 of 16) Calculating Current for Series Resistors

RLC Circuits (3 of 19) Resistance; Phase Shift, Phasor Diagrams, Impedance, An Explanation

Speed and Velocity in One Dimension

Convert from the Slope Intercept Form to the Standard Form

Mass Defect & Binding Energy (2 of 7), The Nucleus

Energy, Work & Power (15 of 31) Positive Work vs. Negative Work for Vertical Motion

Molar Conversion: Grams of Gas to Volume of a Gas

Molar Conversion: Number of Particles to Volume of a Gas

Capacitors (9 of 11) in Parallel, Calculating Voltage Drop

Mass Defect & Binding Energy (3 of 7), Beta Decay of Cesium 137

Motion Graphs (8 of 8) Distance and Displacement in One Dimension

Ray Diagrams (1 of 4) Concave Mirror

Fun with Fußball and Physics

Gravitation (15 of 17) Energy Needed to Launch a Satellite into Geosynchronous Orbit

Atomic Structure (5 of 6) What are Ions? An Explanation

Newton's Three Laws of Motion (Clear and Easy to Follow)

Reflection (1 of 1) What is the Law of Reflection? An Explanation

Ionic and Covalent Compounds: Writing Names and Formulas

Resistors in Electric Circuits (4 of 16) Adding Resistors to Series Circuits, Part 1

Magnetism: Superposition of Magnetic Fields, Example No. 2

Mass Spectometer: An Explanation

Mass Defect & Binding Energy (6 of 7), Nuclear Fusion

Gravitation (11 of 17) Gravitational PE of a Object Orbiting the Earth

Energy, Work & Power (21 of 31), Conservation of Mechanical Energy & Final Velocity

Buoyancy and the Weather Balloon Problem

Conservation of Mechanical Energy with PhET Interactive Simulations

RLC Circuits (6 of 19) Series RC; An Explanation, Voltage, Impedance, Phasor Diagrams

RC Circuit Analysis (2 of 8) Voltage and Current

Energy, Work & Power (7 of 31) Gravitational Potential Energy, Example No. 1

Physics, Kinematic (5 of 7) 1 D Horizontal Motion, Solve for Distance, No. 2

Momentum (8 of 16) Inelastic Collisions, Example 2

Photoelectric Effect (2 of 8) Example No.1 (Easy to Follow)

Momentum (11 of 16) Elastic Collisions, Example 1

Uniform Electric Field: Work Done to Move a Charge Through the Field

Newton's 2nd Law (4 of 21) Calculate Acceleration with Friction, Net Force Above the Horizontal

Gravitation (9 of 17) Gravitational PE Far From Earth, the Negative Sign, An Explanation

Newton's 2nd Law (7 of 21) Calculating Acceleration of a Atwood Machine

Energy, Work & Power (19 of 31) Conservation of Mechanical Energy, An Explanation

Gravitation (8 of 17) Geosynchronous and Geostationary Orbits

RLC Circuits (1 of 6) Power in Resistive Circuits

Simple Machines (5 of 7) Inclined Planes; Defining Forces, Distances and MA

Substitution Method, Systems of Linear Equations

Chemical Reactions (9 of 11) Stoichiometry: Grams to Grams

The Basics: Voltage, Current and Resistance

Point Charges (5 of 10) Work Done to Bring a Point Charge in From Infinity

Combination Circuits: Calculating Currents and Voltages

Newton's 2nd Law (9 of 21) Calculate Acceleration with Friction; Inclined Plane, One Mass

Point Charges (4 of 10) Change in Electric Potential Energy

Physics, Kinematics, Free Fall (11 of 12) Total Time In the Air

RLC Circuits (16 of 19) Parallel RC; An Example Problem, Current, Impedance and Admittance

Newton's 2nd Law (16 of 21) Drawing Free Body Diagrams, Objects with Balanced Forces

Physics, Kinematics: Distance vs. Displacement (new)

Electromagnetic Induction (6 of 15) Faraday's Law, Example Problems

The Ideal Brayton Cycle: An Engineering Perspective

Inertia: What it is and what it is not?

What is Heat? An Explanation

Magnetism (11 of 13) Magnetic Force Due to Parallel Wires, Current Opposite Directions

RLC Circuits (18 of 19) Parallel RL; An Example Problem; Current, Impedance and Admittance

Newton's Second Law, Calculating Acceleration, With and Without Friction

Three Classes of Levers: Example Problems, Solving for Force and Distance

Newton's 2nd Law (7 of 21) Atwood Machine, Acceleration & Tension (revised)

The Three Classes of Levers: An Explanation

Newton's 2nd Law, The Force of Friction, An Explanation (Best Explanation Ever)

Physics, Torque (9 of 13) Static Equilibrium, Hanging Sign No. 3

Physics, Kinematics (1 of 7) One Dimensional Horizontal Motion: An Explanation

Ray Diagrams (3 of 4) Concave and Convex Lenses and Mirrors: Parallel Light Rays

Newton's 2nd Law (1 of 21) Calculate Acceleration w/o Friction, Net Force Horizontal

The Electroscope, Charge Separation and the Positively Charged Stick

RC Circuits (4 of 8) Charging a Capacitor, Time Constant, Voltage, Current, An Explanation

Capacitors (9 of 9) Graphical Determination of Capacitance

Physics, Kinematics, Free Fall (10 of 12) Final Velocity at Bottom

Resistors in Electric Circuits (10 of 16) Combination Resistors No. 2

Bohr Model (2 of 7) Calculate the Wavelength of Light Emitted

RLC Circuits (5 of 19) Inductive Reactance; Phase Shift, Phasor Diagrams, Frequency, An Explanation

Kirchhoff's Rules (4 of 4) Circuit Analysis, Example No. 3

Covalent Compounds: Writing Chemical Names and Formulas

RLC Circuits (19 of 19) Parallel RLC; An Example Problem; Current, Impedance and Admittance

RLC Circuits (1 of 19), How to Calculate Capacitive Reactance

Electromagnetic Induction (5 of 15) Faraday's Law, An Explanation, Part 3

Momentum (16 of 16) Elastic Collisions, Example 6

Electromagnetic Induction (8 of 15) Induced Emf in a Coil of Wire, Example No. 2

Gravitation (7 of 17) Calculating the Orbital Height of a Satellite Above the Earth

Magnetism (7 of 13) Lorentz Force on a Charged Particle, Right Hand Rule

Magnetism (12 of 13) The Lorentz Force, Charged Particles in Magnetic Fields

RLC Circuits (12 of 19) Series RLC; Calculating Impedance, Current and Voltage

Making YOU the Scientist: Density of Liquids

Half-life (2 of 16) An Explanation (New)

Radioactivity (4 of 16) Three Types of Radioactive Decay, Example Problems

Radioactivity (15 of 16) Carbon-14 Dating, When did the Volcano Erupt?

Thermodynamics: Specific Heat Capacity Calculations

Molar Conversions: Number of Particles to Grams

Energy, Work & Power (11 of 31) Work Energy Principle, Net Work Done on an Object

RLC Circuits (13 of 19) Summary of RLC Circuit Analysis

Chemical Reactions (2 of 11) Single Replacement Reactions, An Explanation

Capacitors (1 of 11) Series vs Parallel Circuits

Motion Graphs (6 of 8) Displacement from the Velocity vs. Time Graph

Refraction (3 of 5) What is Total Internal Reflection? An Explanation

From the Slope and a Point Get the Slope Intercept Equation of a Line

Ionic Compounds: Cross Over Rule

Empirical and Molecular Formulas from Mass Composition (No. 2)

Physics, Kinematics, Free Fall (9 of 12) Height Reached from Known Initial Velocity

Atomic Structure (4 of 6) What are Isotopes? Solving Simple Isotope Problems

Physics, Kinematics: What is Acceleration? (new)

Physics, Torque (3 of 13) Balance Beam

Physics, Kinematics (1 of 12) What is Free Fall? An Explanation

Newton's 2nd Law (12 of 21) Calculate Acceleration w/o Friction; Inclined Plane, Pulley, Two Masses

Simple Machines (3 of 7) Pulleys; Calculating Forces, Distances, MA, Part 2

Coulomb's Law (1 of 7) An Explanation

Gravitation (14 of 17) Total Mechanical Energy of a Satellite Orbiting Earth

Radioactivity: What is a Decay Chain

Refraction (5 of 5) Index of Refraction, An Explanation

Mass Defect & Binding Energy (5 of 7), Fission of Uranium 235

Uniform Electric Field (1 of 9 ) Motion of Charged Particles Parallel to the Field

Magnetism (6 of 13) Magnetic Field of a Coil, Example Calculations

Electric Field (3 of 3) Calculating the Electric Field In Between Two Charges

Point Charges (8 of 10) Work Done Moving a Point Charge thru a Potential Difference: No 1

Farsighteness vs. Nearsightedness, An Explanation

Physics, Torque (4 of 13) Force Not at Right Angle to the Object

Capacitors (10 of 11) in Parallel, Calculating Charge Stored

What is a Newton? An Explanation

Capacitors (8 of 11) in Series, Calculating Equivalent Capacitance

Capacitors (3 of 9) What is a Farad? An Explanation

Gravitation (16 of 17) Escape Velocity, An Explanation

Uniform Electric Field (6 of 9) Velocity of a Proton Moving thru a Potential Difference

Chemical Reactions (4 of 11) Decomposition Reactions, An Explanation

Magnetism (13 of 14) The Lorentz Force, Charged Particles in Magnetic Fields

Momentum (10 of 16) Elastic Collisions, An Explanation

Energy, Work & Power (2 of 31) Kinetic Energy, Example No. 1

Molar Conversions: Volume of a Gas to Number of Particles

What is an Ampere? An Explanation

Velocity Selector: An Explanation

Electric Power (1 of 3) and Watts, An Explanation

Capacitors (6 of 9) Factors Affecting the Capacitance of a Capacitor

Newton's 2nd Law (6a of 21) The Normal Force, The Elevator

Momentum, Impulse & Collisions: Ballistic Pendulum, An Explanation

Uniform Electric Field (7 of 9) Kinetic Energy of an Electron thru a Potential Difference

Simple Harmonic Motion (2 of 16): Pendulum, Calculating Period, Frequency, Length and Gravity

Capacitors (10 of 10) Changing Plate Area and Separation with PhET Simulations

Gravitation (6 of 17) Calculating the Orbital Period of a Satelite

EM Spectrum (3 of 3) Calculate Energy and Frequency from Wavelength

EM Spectrum (1 of 3) An Explanation

Physics, Kinematics, Free Fall (5 of 12) Solving for Displacement (Distance Fallen)

Dimensional Analysis Part 1, Units for Answers

Chemical Reactions (7 of 11) Stoichiometry: Grams to Moles

Chemical Reactions (3 of 11) Combustion Reactions, An Explanation

Electromagnetic Induction (7 of 15) Induced Emf in a Coil of Wire, Example No. 1

Calorimetry for Exothermic and Endothermic Reactions

Metric Unit Conversions Made Easy

Simple Machines (6 of 7) Inclined Plane; Calculating Forces, Distances, MA, Part 1

Molar Conversions: Grams to Number of Particles

Electric Field (1 of 3) An Explanation

Newton's 2nd Law (18 of 21) Will it Accelerate? Inclined Plane and One Mass

Magnetism (8 of 13) Lorentz Force, Calculate Magnetic Force on Charged Particle

RL Circuits (4 of 8) Inductor Charging & Discharging, An Explanation, Part 1

Physics, Kinematics (3 of 7) 1 D Horizontal Motion, Solve for Acceleration, No. 2

Combination Circuits: Comparing Currents and Voltages

Graphing Method, Systems of Linear Equations

Point Charges (6 of 10) Work to Bring Three Charges Close Together

What is a Watt? An Explanation

Bohr Model (7 of 7) Electron Velocity Derivation and Calculation

Momentum (4 of 16) Force vs Time Graph

Empirical and Molecular Formula from Percent Composition (No. 1)

Refraction (4 of 5) Calculating the Critical Angle

Capacitors (7 of 9) Energy Stored in a Capacitor, An Explanation

Magnetism (5 of 13) Magnetic Field of a Coil, An Explanation

Energy, Work & Power (3 of 31) Kinetic Energy, Example No. 2

RC Circuits (3 of 8) Charging & Discharging a Capacitor, An Explanation

Atomic Structure (6 of 6) What are Ions? Solving Simple Ion Problems.

Energy, Work & Power (23 of 31) Work from the Force vs. Displacement Graph, No. 2

Uniform Electric Field (2 of 9) Motion of Charged Particles Perpendicular to the Field

Kinetic Energy: Example Problems

Motion Graphs (2 of 8) Position vs. Time Graph Part 2, Acceleration

Physics, Torque (2 of 13) Force at Right Angle to Object

Optics: Real and Apparent Depth

Point Charges (7 of 10) Calculating Potential Difference Between Two Points

Energy, Work & Power (9 of 31) Calculate the Work Done by a Horizontal Force

Physics, Kinematics (2 of 7) 1 D Horizontal Motion, Solve for Acceleration, No. 1

Motion Graphs (7 of 8) Calculating Speed & Velocity for One Dimensional Motion

Electromagnetic Induction (2 of 15) Magnetic Flux, An Explanation

Energy, Work & Power (30 of 31) Comparing the Power Output of Two People

Momentum (5 of 16) Impulse, Example 1

Physics, Kinematics, Free Fall (8 of 12) Initial Velocity Needed to Reach Known Height

Physics, Kinematics, Free Fall (7 of 12) Initial Velocity for Known Time in the Air

Resistors in Electric Circuits (14 of 16) Calculating Voltage for Parallel Circuits

RC Circuit Analysis (1 of 8) Voltage and Current

Magnetism (10 of 13) Magnetic Force Due to Parallel Wires, Current Same Direction

Conservation of Mechanical Energy: An Explanation

Ionic Compounds: Lewis Dot Structures

Uniform Electric Field (5 of 9) Work Done by an Electric Field

Energy, Work & Power (4 of 31) Kinetic Energy, Its Relationship to the Square of the Velocity

Radioactivity (6 of 16) Nuclear Fission, An Explanation

Simple Harmonic Motion (5 of 16): Pendulum Velocity from Height of Displacement

Bohr Model (6 of 7) Energy Level Derivation and Calculation

States of Matter: Solids, Liquids & Gases

Gravitation: Kepler’s Laws of Planetary Motion, Example Problems

What is a Radian? An Explanation

Acceleration, An Explanation

Snell’s Law with PhET Interactive Simulations

Calculating Power in Physics: Example Problems

Electric Field (2 of 3) Calculating the Magnitude and Direction of the Electric Field

Uniform Electric Field (9 of 9) Separation Between Parallel Plates

RL Circuit Analysis (1 of 8) Voltage and Current

Magnetism (2 of 13) Why are Magnets Magnetic, An Explanation

EM Spectrum (2 of 3) Calculate Wavelength and Frequency from Energy

Uniform Electric Field (4 of 9) Electric Potential Energy due to Parallel Plates: An Explanation

Metric System, Metric Unit Conversions

Metric System, An Explanation

RC Circuit (7 of 8) Discharging a Capacitor, Time Constant, Voltage, Current, Worked Example

Uniform Electric Field (3 of 9) Potential Difference due to Parallel Plates: An Explanation

Bohr Model (3 of 7) Calculate the Wavelength of Light Absorbed

Newton's 2nd Law (20 of 21) Will it Accelerate? Inclined Plane w/o Friction and a Pulley

Energy, Work & Power (24 of 31) Power, An Explanation

What is Charge? An Explanation

Electromagnetic Induction (12 of 15) Lenz's Law, Example Problems

Mass Spectrometer: An Example Problem

From the Empirical Formula to the Molecular Formula

Two Dimensional Motion (1 of 4) An Explanation

Capacitors (1 of 9) What is a Capacitor, An Explanation

Simple Machines (4 of 7) Pulleys; Calculating the Amount of Work Done

Magnetism (1 of 13) Magnets & Magnetic Field Lines, An Explanation

Physics, Kinematics: Speed vs. Velocity (new)

Photoelectric Effect (6 of 8) Stopping Potential, An Explanation

Newton’s Universal Gravitation vs Coulomb’s Law

Newton's 2nd Law (3 of 21) Calculate Acceleration w/o Friction, Net Force Above the Horizontal

Point Charges (3 of 10) Electric Potential Difference

Refraction of Light with PhET Interactive Simulations

Capacitors (7 of 11) in Series, Calculating the Charge Stored

Radioactivity (12 of 16) Radioactive Decay Law, Examples Problems

Specific Heat of a Metal by Calorimetry

Fission and Fusion

Resistors in Electric Circuits (16 of 16) Calculating Equivalent Resistance of Parallel Resistors

Two Dimensional Motion (4 of 4) Horizontal Projection, Worked Example

Simple Harmonic Motion (4 of 16): Pendulum Conservation of Energy, Example Problems

Using Dimensional Analysis to Find the Units of a Constant

Energy, Work & Power (13 of 31) Calculate the Work Done Carrying an Object Up a Ramp

Molar Mass Calculations

Dimensional Analysis Part 2, Unit Conversions

RLC Circuits (14 of 19); Determining the Resonance Frequency for Series RLC Circuits

Electromagnetic Induction (3 of 15) Faraday's Law, An Explanation, No. 1

RLC Circuits (3 of 6) Power in Inductive Circuits

Mass Defect & Binding Energy (4 of 7), Fission of Uranium 235

Capacitors (5 of 9) Calculating the Capacitance of a Capacitor, Worked Examples

LC Oscillating Circuit: An Explanation

Free Fall Motion

Uniform Electric Fields: Electric Potential Energy & Potential Difference

Motion Graphs (1 of 8) Position vs. Time Graph Part 1, Constant Velocity

Capacitors (8 of 9) Energy Stored in a Capacitor, Example Problems

Simple Machines (2 of 7) Pulleys; Calculating Distances, Forces, MA, Part 1

Radioactivity (16 of 16) Carbon-14 Dating, When Did Ötzi Die?

Bohr Model (1 of 7) Emission Spectrum, An Explanation

Energy, Work, & Power, (1 of 31) Kinetic Energy, An Explanation

Point Charges (10 of 10) Work, Potential Energy and Potential, Part 2

Simple Harmonic Motion (1 of 16): Period of a Pendulum

Radioactivity

Newton's 2nd Law (19 of 21) Will it Accelerate? Table with Pulley and Two Masses

Mass, Weight, Energy Work and Power: The Basics

Energy, Work & Power (10 of 31) Calculate the Work Done by a Non-Horizontal Force

Simple Machines (7 of 7) Inclined Plane; Calculating the Work Done, Part 2

What is a Newton-Meter? An Explanation

Physics, Kinematics (7 of 7) 1 D Horizontal Motion, Solve for Final Velocity, No. 1

Resistors in Electric Circuits (15 of 16), Calculating Current for Parallel Resistors

RC Circuits (6 of 8) Discharging a Capacitor, Time Constant, Voltage, Current, An Explanation

Refraction (2 of 5) Snell's Law, Calculating Angle of Refraction and Angle of Incidence

Exothermic vs. Endothermic Reactions

Radioactivity (14 of 16) Carbon-14 Dating, an Explanation

Energy, Work & Power (14 of 31) Positive Work vs. Negative Work for Horizontal Motion

Graphing Linear Equations, No. 2

Simple Harmonic Motion (12 of 16): Example Problems

Atomic Structure (3 of 6) What are Isotopes? An Explanation

Empirical Formula of a Hydrate

Velocity Selector: An Example Problem

Gravitation (10 of 17) Gravitational PE at the Surface of the Earth

Magnetism (4 of 13) Magnetic Field of a Wire, Calculations

Momentum (14 of 16) Elastic Collisions, Example 4

Gravitation (3 of 17) Mass vs Weight, An Explanation

Making YOU the Scientist: Experimenting with Electromagnets

Density, An Explanation

Think Inside the Tube: A Science Inquiry Demonstration

Kirchhoff's Rules (3 of 4) Circuit Analysis, Example No. 2

RLC circuits (5 of 6) AC Power for an RL Circuit

Resistors in Electric Circuits (5 of 16) Adding Resistors in Series, Part 2

Scalars vs. Vectors

Wave Math; Calculating Period, Frequency, Wavelength & Velocity

Gravitation: Change in Energy and Work for Satellite Orbits

Electromagnetic Induction (14 of 15) Transformers, Example Problems

What is Voltage? An Explanation

An Introduction to Gas Turbine Technology

Physics, Net Torque (5 of 13) Five Forces Applied to a Door

Simple Harmonic Motion (10 of 16): An Explanation

Simple Machines (1 of 7) Pulleys; Defining Forces, Distances and MA

Ionic Compounds: Writing Chemical Names

Set Equal to Each Other, Systems of Linear Equations, No. 2

Chemical Reactions (11 of 11) Stoichiometry: Grams to Liters of a Gas

Thin Lens Equation (1of 6) Convex Lens, Object Distance Greater Then f.

Photoelectric Effect (4 of 8) Example No.3

Ray Diagrams (2 of 4) Convex Lens

Physics, Kinematics, Free Fall (2 of 12) Solving for Final Velocity, No.1

Rotational Motion: An Explanation, Angular Displacement, Velocity and Acceleration

Kinematics, What Does Meters per Second Squared Mean? (Best Explanation Ever)

Making YOU the Scientist: Sink or Swim Density Experiment

Set Equal to Each Other, Systems of Linear Equations, No. 1

Inductors and Inductance: An Explanation

Radioactivity (8 of 16) Decay Activity, An Explanation

Simple Harmonic Motion (11 of 16): Period of an Oscillating Mass?

Making YOU the Scientist: Heat Transfer and Convection Lab

Radioactivity (9 of 16) Decay Activity of Carbon-14

Photoelectric Effect (1 of 8) An Explanation (Clear and Simple)

Momentum (6 of 16) Inelastic Collisions, An Explanation

Empirical and Molecular Formulas from Mass Composition (No. 1)

Bohr Model (5 of 7) Bohr Radius Derivation

Uniform Electric Field (8 of 9) Voltage Needed Across the Plates

Two Dimensional Motion (3 of 4) Horizontal Projection, An Explanation

RLC Circuit Analysis (3 of 8) Voltage, Current, Charge

Momentum (9 of 16) Inelastic Collisions, Example 3

Simple Harmonic Motion (7 of 16): The Spring Constant, An Explanation

Energy, Work & Power (18 of 31) Work Energy Theorem, Calculate the Velocity of an Object

Chemical Reactions (10 of 11) Stoichiometry: Moles to Moles

Projectile Motion, Launched from a Known Height

Resistance & Resistivity, Example Problems

Simple Harmonic Motion (6 of 16): Pendulum Velocity from Angle of Displacement

Balancing Chemical Equations

Resistors is Electric Circuits (2 of 16) Voltage, Resistance & Current for Series Circuits

Molar Volume Calculated Two Different Ways

Physics, Torque (10 of 13) Static Equilibrium, Hanging Sign at an Angle No. 4

Physics, Torque (6 of 13) Compound Wheel

Simple Harmonic Motion (9 of 16): Hooke's Law, Example Problems

Newton's 2nd Law (14 of 21) Free Body Diagrams; An Explanation

RLC Circuits (15 of 19) Parallel RC; An Explanation, Current, Impedance and Admittance

Electric Current, An Explanation

RC and RL Circuits (8 of 8) Comparing Voltage and Current

Newton's 2nd Law (8 of 21) Calculate Acceleration w/o Friction; Inclined Plane, One Mass

RLC Circuits (10 of 19) Series RC; Calculating Impedance, Current and Voltage

Newton's 2nd Law (10 of 21) Calculate Acceleration w/o Friction; Table, Pulley, Two Masses

Thermodynamics: Mechanical Equivalent of Heat

Magnetism (3 of 13) Magnetic Field of a Current Carrying Wire, An Explanation

Momentum (1 of 16) An Explanation

Refraction (1 of 5) What is Refraction? An Explanation

Momentum (12 of 16) Elastic Collisions, Example 2

Energy, Work & Power (17 of 31) Work Energy Principle, Net Work Done on an Object

Newton's 2nd Law (5 of 21) The Normal Force, An Explanation

Radioactivity (11 of 16) Radioactive Decay Law, An Explanation

Energy, Work & Power (20 of 31) Conservation of Mechanical Energy, Calculating the Final Velocity

Coulomb's Law (4 of 7) Force of a Proton and an Electron in Hydrogen Atom

Motion Graphs (4 of 8) Velocity vs. Time Graph Part 1

Physics, Torque (7 of 13) Static Equilibrium, Hanging Sign No. 1

Chemical Reactions (1 of 11) Double Replacement Reactions, An Explanation

Physics, Kinematic (4 of 7) 1 D Horizontal Motion, Solve for Distance, No. 1

Temperature Conversions: Kelvin, Celsius and Fahrenheit

Mass Defect & Binding Energy (7 of 7), The Helium Nucleus

Physics, Kinematics (6 of 7) 1 D Horizontal Motion, Solve for Time, No. 1

Gravitation (1 of 17) Newton's Law of Universal Gravitation, An Explanation with Examples

Capacitors (4 of 11) in Combination, Series and Parallel Capacitors

Ionic Compounds: Writing Chemical Formulas

RL Circuit Analysis (2 of 8) Voltage and Current

Physics, Kinematics, Free Fall (3 of 12) Solving for Final Velocity, No. 2

Thermodynamics, Heating Curves: An Explanation

Kirchhoff's Rules (2 of 4) Circuit Analysis, Example No. 1

Five Fun and Easy Physics Challenges

Motion Graphs (3 of 8) Position vs. Time Graph Part 3, Constant Velocity and Acceleration

Graphing Linear Equations, No. 1

Converting Between Mass and Weight: Example Problems

Newton's 2nd Law (13 of 21) Calculate Acceleration with Friction; Inclined Plane, Pulley, Two Masses

Coulomb's Law (5 of 7) Force from Three Charges in a Straight Line

Mass Defect & Binding Energy (1 of 7), An Explanation

Ray Diagrams (4 of 4) Concave Lens and Convex Mirror

Electromagnetic Induction (11 of 15) Lenz's Law, An Explanation

Gravitation (2 of 17) Calculate Your Weight Two Different Ways

Writing Nuclear Equations

Simple Harmonic Motion (3 of 16): Pendulum Conservation of Energy, An Explanation

Resistors in Electric Circuits (1 of 16) Series vs. Parallel

What is Current? An Explanation

Motion Graphs (5 of 8) Velocity vs. Time Graph Part 2

RLC circuits (6 of 6) AC Power for an RLC Circuit

Newton's 2nd Law (2 of 21) Calculate Acceleration with Friction, Net Force Horizontal

RLC Circuits (4 of 19) Capacitive Reactance; Phase Shift, Phasor Diagrams, Frequency, An Explanation

Resistors in Electric Circuits (13 of 16) Calculating Voltage for Series Resistors

Thin Lens Equation (2 of 6) Convex Lens, Object Distance Less Then f

Buoyancy and Archimedes’ Principle: An Explanation

Momentum (2 of 16) Momentum and Force

Newton's 2nd Law (17 of 21) Drawing Free Body Diagrams, Objects with Unbalanced Forces

Physics, Kinematics, Free Fall (12 of 12) Maximum Height

Half-life (2 of 16) An Explanation

Photoelectric Effect (7 of 8) Determining Planck's Constant

Two Dimensional Motion (2 of 4) Worked Example

Newton's 2nd Law (11 of 21) Calculating Acceleration with Friction; Table, Pulley, Two Masses

Simple Harmonic Motion (15 of 16): Amplitude, Period & Frequency

Capacitors (3 of 11) Parallel Capacitors, Voltage, Charge & Capacitance

Energy, Work & Power (16 of 31) Work Energy Principle, An Explanation

The Electroscope, Charge Separation and the Negatively Charged Stick

Electromagnetic Induction (9 of 15) Induced Emf in a Coil of Wire, Example No. 3, Part 1

Electric Power (3 of 3) Calculating the Cost of Electric Power

What is a Coulomb? An Explanation

RL Circuits (6 of 8) Charging an Inductor, Time Constant, Voltage, Current, An Explanation

Energy, Work & Power (12 of 31) Work Energy Principle, Net Work Done on an Object

Gravitation (12 of 17) Work Done to Lift an Object into Orbit Around the Earth

Electric Power (2 of 3) Example Problems

Kirchhoff's Rules (1 of 4) Circuit Analysis, An Explanation

Electromagnetic Induction (10 of 15) Induced Emf in a Coil of Wire, Example No. 3, Part 2

Thermodynamics: Temperature, Energy and Heat, An Explanation

Coulomb's Law (6 of 7) Force from Three Charges Arranged in a Triangle