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Online Self-Paced Physics Lessons

Online Self-Paced Lessons from HelpTeaching.com

Learn about the forces, motions, and types of energy with these self-paced physics lessons.

Our lessons for middle/high school students are meant for self-directed online learning. Many of our lessons contain a short introduction, followed by an embedded video created by Help Teaching team or obtained with permission from sources, such as Khan Academy, Educator.com, and Bozeman Science and links to other free online resources to help students understand the topic. Lessons without a video source noted are text and image-based, similar to what students would find in a textbook. All lessons also include practice questions to use for pre-assessment and practice, as well as links to longer, more formal tests and worksheets to assess what students have learned.

Assigning lessons is simple and doesn't require students to have accounts. Help Teaching subscribers can assign lessons to students by selecting the "Assign Lesson" icon and monitor student progress in our online testing platform, Test Room.

Lessons labeled with use Help Teaching original videos and are accessible to Pro subscribers only. Become a Pro Subscriber to access these lessons and hundreds of standards aligned worksheets.

Video Sources: help teaching Help Teaching khan academy Khan Academy educator Educator.com Other (may contain ads we do not control)
Lesson Name Grade Time
help teaching Push and Pull - A Science Story Kindergarten 15-30 min assign
help teaching The Sandy Beach - A Science Story Kindergarten 15-30 min assign
Absorption and Scattering of Light Grade 8 60-120 min assign
Acceleration Grade 8 60-120 min assign
Applications of Energy Efficiency Grade 8 60-120 min assign
Applications of Nuclear Physics Grade 8 60-120 min assign
Cell Phones Grade 8 60-120 min assign
Center of Mass and Center of Gravity Grade 8 60-120 min assign
Changes in States of Matter Grade 8 60-120 min assign
Chemical Equation Grade 8 60-120 min assign
Chemical Formula Grade 8 60-120 min assign
Chemical Reactions Grade 8 60-120 min assign
Colors of Objects Grade 8 60-120 min assign
Computer Networks Grade 8 60-120 min assign
Concave Mirrors and Convex Mirrors Grade 8 60-120 min assign
Diffraction and Interference of Light Grade 8 60-120 min assign
Efficiency in Machines Grade 8 60-120 min assign
Elastic Force Grade 8 60-120 min assign
Electric Charge and Electric Force Grade 8 60-120 min assign
Electric Field and Energy Grade 8 60-120 min assign
Energy Grade 8 60-120 min assign
Energy Flow and Chemical Reaction Grade 8 60-120 min assign
Energy Transformation Grade 8 15-30 min assign
Energy in Cellular Respiration Grade 8 60-120 min assign
Factors Affecting Energy Transfer Grade 8 60-120 min assign
Feedback Loops Grade 8 60-120 min assign
Fluorescent Light and Vapor Light Grade 8 60-120 min assign
Force Grade 8 60-120 min assign
Friction Grade 8 60-120 min assign
Friction and Energy Transfer Grade 8 60-120 min assign
Gases Grade 8 60-120 min assign
Gravitational Interaction Grade 8 60-120 min assign
Gravity Grade 8 60-120 min assign
Gravity and Motion Grade 8 60-120 min assign
Holograms and Fiber Optics Grade 8 60-120 min assign
Incandescent Light and Neon Light Grade 8 60-120 min assign
Infrared in Modern World Grade 8 60-120 min assign
Interactions of Light Waves Grade 8 60-120 min assign
Interference of Sound Waves Grade 8 60-120 min assign
Introduction to Heat Energy Grade 8 15-30 min assign
Introduction to Interactions & Energy Transfer Grade 8 60-120 min assign
Introduction to Light Grade 8 60-120 min assign
Introduction to Mirrors Grade 8 60-120 min assign
Introduction to Photosynthesis Grade 8 60-120 min assign
Introduction to Waves Grade 8 60-120 min assign
Isotopes Grade 8 60-120 min assign
Kinetic Energy Grade 8 60-120 min assign
Kinetic Energy and the State of Matter Grade 8 15-30 min assign
Laser and Laser Light Grade 8 60-120 min assign
Laser in Today's World Grade 8 60-120 min assign
Lenses Refract Light Grade 8 60-120 min assign
Light Sources Grade 8 60-120 min assign
Light and Color Grade 8 60-120 min assign
Light and Sight Grade 8 60-120 min assign
Liquids Grade 8 60-120 min assign
Loudness Grade 8 60-120 min assign
Magnetic Field and Energy Grade 8 15-30 min assign
Magnetic Interaction and Magnetic Field Grade 8 60-120 min assign
Magnets and Magnetism Grade 8 60-120 min assign
Microscope Grade 8 60-120 min assign
Microwaves and Infrared Waves Grade 8 60-120 min assign
Microwaves in the Modern World Grade 8 60-120 min assign
Mirrors Reflect Light Grade 8 60-120 min assign
Mixing Colors of Light Grade 8 60-120 min assign
Momentum Grade 8 60-120 min assign
Motion Grade 8 60-120 min assign
Natural Resources Grade 8 60-120 min assign
Newton’s Laws of Motion Grade 8 60-120 min assign
Nuclear Fission Grade 8 15-30 min assign
Nuclear Fusion Grade 8 60-120 min assign
Nuclear Reactions Grade 8 60-120 min assign
Optical Instruments Grade 8 60-120 min assign
Pitch Grade 8 60-120 min assign
Polarization Grade 8 60-120 min assign
Polarized Light Grade 8 60-120 min assign
Potential Energy Grade 8 60-120 min assign
Projectile Motion Grade 8 60-120 min assign
Properties of Sound Grade 8 60-120 min assign
Properties of Waves Grade 8 60-120 min assign
Radio Grade 8 60-120 min assign
Radio Waves in Television Broadcasting Grade 8 60-120 min assign
Radioactive Decay Grade 8 60-120 min assign
Radioactive Isotopes Grade 8 60-120 min assign
Rate of Reaction Grade 8 60-120 min assign
Reflection of Sound Waves Grade 8 60-120 min assign
Refraction of Light Grade 8 60-120 min assign
Role of Waves in Modern Technology Grade 8 60-120 min assign
Satellite Motion Grade 8 60-120 min assign
Solids Grade 8 60-120 min assign
Sound Grade 8 60-120 min assign
Sound Quality Grade 8 60-120 min assign
Speed Grade 8 60-120 min assign
Stability through Interactions and Feedback Grade 8 60-120 min assign
Stable Cycles Grade 8 60-120 min assign
States of Matter Grade 8 60-120 min assign
Structure of an Atom Grade 8 60-120 min assign
Synthetic Materials Grade 8 60-120 min assign
The Art of Balancing Grade 8 60-120 min assign
The Electromagnetic Spectrum Grade 8 60-120 min assign
The First Law of Thermodynamics & Energy Transfer Grade 8 60-120 min assign
The Physics of Falling Objects Grade 8 60-120 min assign
The Second Law of Thermodynamics & Energy Transfer Grade 8 15-30 min assign
Thermal Energy and Everyday Life Grade 8 60-120 min assign
Third Law of Thermodynamics & Energy Transfer Grade 8 60-120 min assign
Types of Chemical Reactions Grade 8 60-120 min assign
Types of Friction Grade 8 15-30 min assign
Types of Motion Grade 8 60-120 min assign
Types of Waves Grade 8 60-120 min assign
Ultraviolet Rays in Modern World Grade 8 60-120 min assign
Velocity Grade 8 60-120 min assign
Visible Light and Ultraviolet Light Grade 8 60-120 min assign
Wave Interactions Grade 8 60-120 min assign
Wave Interference Grade 8 60-120 min assign
X-Rays and Gamma Rays Grade 8 60-120 min assign
X-Rays and Role of Electromagnetic Radiations Grade 8 60-120 min assign
Zeroth Law of Thermodynamics & Energy Transfer Grade 8 15-30 min assign
help teaching Acceleration Grade 10 45-90 min assign
help teaching Boyle's Law Grade 10 60-120 min assign
khan academy Capillary Action Grade 10 60-120 min assign
help teaching Charles' Law Grade 10 60-120 min assign
khan academy Doppler Effect Grade 10 60-120 min assign
khan academy Elastic Potential Energy Grade 10 60-120 min assign
khan academy Electromagnetic Spectrum Grade 10 60-120 min assign
help teaching Energy Grade 10 45-90 min assign
Force Diagrams Grade 10 60-120 min assign
help teaching Heating Curves Grade 10 60-120 min assign
khan academy Heisenberg Uncertainty Principle Grade 10 60-120 min assign
khan academy Inclined Planes Grade 10 60-120 min assign
help teaching Laws of Motion Grade 10 60-120 min assign
Momentum and Collisions Grade 10 60-120 min assign
help teaching Newton's Law of Universal Gravitation Grade 10 45-90 min assign
Organization of Matter Grade 10 60-120 min assign
help teaching Position vs. Time Graphs Grade 10 45-90 min assign
help teaching Power Grade 10 45-90 min assign
help teaching Refraction of Light Grade 10 60-120 min assign
help teaching Resistance and Ohm's Law Grade 10 60-120 min assign
Simple Harmonic Motion Grade 10 60-120 min assign
help teaching Speed and Velocity Grade 10 60-120 min assign
khan academy Static Electricity Grade 10 60-120 min assign
help teaching Surface Tension Grade 10 60-120 min assign
help teaching Work Grade 10 45-90 min assign
help teaching Electromagnetic Spectrum Grade 11 60-120 min assign
help teaching Energy and Entropy Grade 11 60-120 min assign
help teaching Hooke's Law Grade 11 60-120 min assign
help teaching Pulleys Grade 11 60-120 min assign
help teaching Quantum Numbers Grade 11 60-120 min assign
Torque Grade 11 60-120 min assign
Arrangement of Elements in Periodic Table Grade 12 60-120 min assign
Factors Affecting Reactivity of Elements Grade 12 60-120 min assign
Introduction to Chemical Bonds Grade 12 60-120 min assign
Introduction to Gases Grade 12 60-120 min assign
Introduction to Solids Grade 12 60-120 min assign
Liquids Grade 12 60-120 min assign
Nuclear Force Grade 12 60-120 min assign
Nucleons and Isotopes Grade 12 60-120 min assign
Periodic Table and Properties of Elements Grade 12 60-120 min assign
Reactivity of Elements Grade 12 60-120 min assign
Rutherford's Atomic Model Grade 12 60-120 min assign
Structure of Atom Grade 12 60-120 min assign
Valence Electrons Grade 12 60-120 min assign
help teaching Wave Speed Grade 12 60-120 min assign
Coulomb's Law - AP Chemistry College 60-120 min assign
khan academy First Law of Thermodynamics - AP Chemistry College 60-120 min assign