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Physics Classes for Teens

24 free physics classes for teens (Ages 13–17) on Wunder — short, fact-checked courses and lessons with narration and a quiz. Filter by age — each link is its own page, not a JavaScript toggle.

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Science (112)Math (25)History (27)

Calculating Dietary Energy

Discover how the energy in food is measured and learn to work it out from a nutrition label.

Aerobic and Anaerobic Respiration

Discover how your cells release energy from glucose, with oxygen and without, and why your muscles ache after a sprint.

Deep-Sea Life Without Sunlight

Journey to hydrothermal vents, where whole ecosystems thrive in total darkness using chemical energy instead of sunlight.

Physical and Chemical Changes

Melt it, burn it, rust it, fizz it: learn the one question that tells a physical change from a chemical one.

How Materials Change State

Ice to water to steam and back again — explore melting, boiling, and condensing, and how heat gives particles the energy to change state.

Newton's Laws of Motion

Meet the three simple laws that explain how everything moves, from a seatbelt to a rocket, discovered by Isaac Newton.

Discover how a simple coil of wire becomes a powerful magnet the instant electricity flows, and how to make it stronger.

Electric Motors and the Motor Effect

Find out how a wire carrying current in a magnetic field feels a force, and how that motor effect spins the motors all around you.

Renewable and Non-Renewable Energy

Sort out the world's energy sources: which ones nature keeps refilling (solar, wind, hydro) and which limited fossil fuels we're burning — and why the difference matters.

Power and Watts

Discover what power really means in physics — how fast energy is transferred — and learn to measure it in watts using P = energy ÷ time.

Master the equation at the heart of electronics, V = I × R, and learn to rearrange it to find voltage, current, or resistance in any simple circuit.

Measuring Heat Energy

Untangle heat from temperature, meet the joule, and find out why a warm bath holds more heat than a spark and why a full kettle needs more energy than a cup.

Auroras: The Northern Lights

How the Sun paints the polar sky green and red — the documented physics of the aurora, from solar wind to glowing oxygen.

Roller Coasters: The Physics of Fun

The real physics behind the thrills: how the first hill stores energy, what g-forces do to your body, why loops are teardrops not circles, how launches work, and why coasters are engineered fear.

Physics Essentials

The core physics you meet in school, made clear: motion, forces, energy, waves, electricity, heat, and a straight tour of the modern big ideas.

How Electric Cars Work

Batteries, motors, and clever electronics: what makes an EV go.

Einstein’s Ideas

How Einstein rewrote space, time, and gravity forever.

The Big Bang, dark matter, dark energy, and the fate of everything.

Discover how organisms, energy, and environments connect into living systems.

Electricity & Circuits

Trace how voltage, current, and resistance shape every circuit you touch.

How waves carry energy and shape the sounds you hear every day.

What energy really is, its many forms, and why it is never lost.

Forces & Motion

Master Newton's three laws that govern how everything moves.

Chemical Reactions

Bonds break, atoms rearrange, energy flows: the chemistry behind change.

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