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Physics I · 21 secCircular Motion
Maximum Speed Before Slipping on a Flat Curve
Students can see why friction points inward and why speed has a limit.
In almost every lesson
Some ideas are hard to picture. So we show them moving.
Nearly every PhysicsGraph lesson includes animations like these. When a concept is tough to grasp from a page of text, your student watches it happen instead. Here's a small sample.
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Photons with the same energy eject electrons faster or slower depending on how tightly each shell holds them.
A small sample
Pick a topic and press play
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Physics I · 12 secNewton's Third Law
Newton's Third Law and System Boundaries
Action-reaction pairs become tied to interacting objects, not isolated arrows.
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Physics I · 11 secInclines
Acceleration Down a Frictionless Incline
The gravity component along the ramp becomes the reason the object speeds up.
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Physics I · 11 secElastic Potential Energy
Elastic Potential Energy
Stored energy becomes visible as deformation of the spring.
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Physics II · 20 secConservation of Charge
The Law of Conservation of Charge
Charge conservation becomes a before-and-after accounting problem.
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Physics II · 34 secCoulomb's Law
Solving for Separation Distance
The inverse-square relationship is tied to the physical gap between charges.
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Physics II · 23 secCharging by Induction and Grounding
Grounding to Earth and Discharging
Charge flow becomes a visible process instead of an invisible convention.
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Physics II · 12 secCharging with Conduction
Charging by Contact
Conduction becomes a physical transfer, not a vocabulary word.
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Physics II · 8 secConductors and Insulators
Charge Mobility in Conductors and Insulators
Material behavior becomes visible at the charge level.
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Physics II · 21 secElementary Charge
Elementary Charge
Charge stops feeling continuous and becomes countable.
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Chemistry · 16 secShells, Subshells, and Orbitals
The d Subshell Has 5 Orbitals
The five d orbitals fit together as one subshell with a total capacity of ten electrons.
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Physics II · 21 secThe Electric Field
The Electric Field
The field becomes a map of what a test charge would feel.
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Physics II · 9 secElectric Potential Energy
Electric Potential Energy
Energy change is connected to motion through the field.
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Chemistry · 29 secOrganization of the Periodic Table
Periodic Table Families
Families become regions students can visually track across the table.
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Chemistry · 25 secOrganization of the Periodic Table
Periodic Table Blocks
Students see the table organize itself instead of memorizing four disconnected regions.
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Chemistry · 18 secIsotopes
Isotope Notation for Carbon Isotopes
The symbols connect back to proton and neutron counts.
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Chemistry · 15 secEffective Nuclear Charge and Shielding
Effective Nuclear Charge Across a Row
The stronger pull becomes visible as nuclear charge changes.
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Chemistry · 21 secEnergy Levels Visualized
Filling an Orbital Energy Diagram
Aufbau filling becomes a step-by-step placement task.
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Chemistry · 23 secPhotoelectron Spectroscopy
How PES Reveals Electron Binding Energy
Photons with the same energy eject electrons faster or slower depending on how tightly each shell holds them.
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Math · 22 secTrigonometry
Trig Ratios as Functions
The angle changes and the ratio changes with it.
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Math · 20 secTrigonometry
Shape of the Sine Graph
The wave shape is built from rotating-angle behavior.
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Math · 29 secUnit Circle
Reading the Unit Circle
Coordinate values become something students can locate, not memorize.