# People's Physics Book Version 3 (with Videos)

**At Grade**Created by: CK-12

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- 1.
## Units and Problem Solving

Students explore and understand the importance of units, which identify what a specific number represents. Examples of types of measurements, commonly used symbols, fundamental units, and unit conversions are given in this chapter.

- 2.
## Energy Conservation

Students are introduced to energy conservation and the conservation laws that govern our universe. Physicists have identified five conservation laws, which are discussed in this chapter.

- 3.
## One-Dimensional Motion

This chapter covers one-dimensional motion, velocity, acceleration, and deceleration.

- 4.
## Two-Dimensional and Projectile Motion

This chapter discusses parabolic and projectile motion, acceleration, and velocity.

- 5.
## Newton's Laws

Students learn about Newton's Law's through the study of motion, acceleration, and force.

- 6.
## Centripetal Forces

Centripetal force is introduced through the study of force, velocity changes, net-forces, applied forces, and acceleration.

- 7.
## Momentum Conservation

This chapter introduces momentum conservation through the study of motion, mass, velocity, force of gravity, and collision.

- 8.
## Energy and Force

The law of conservation of energy and the law of conservation of momentum is introduced through the study of energy and force.

- 9.
## Rotational Motion

The third conservation law is conservation of angular momentum. Conservation of angular momentum is explored through the concepts of rotational velocity, rotational inertia, angular momentum, torque, linear, and rotational motion.

- 10.
## Simple Harmonic Motion

Simple harmonic motion (SHM) concepts are presented in this chapter through the study of periodic motion, oscillation, restorative force, frequency, amplitude, and kinetic energy.

- 11.
## Wave Motion and Sound

Wave motion and sound is presented through harmonic motion, longitudinal and transverse waves, constructive and destructive interference, sound and water waves.

- 12.
## Electricity

Students are introduced to electricity through the study of the conservation of charge. Other concepts such as electromagnetism, the Coulomb electric force, the law of gravity, charged objects, electric force, and potential energy are presented.

- 13.
## Electric Circuits: Batteries and Resistors

Electric circuits - batteries and resistors are presented through the study of Ohm's Law, electric currents, electric fields, voltage, current, resistance, AC and DC power.

- 14.
## Magnetism

Magnetism is studied through the concepts of electromagnetic force, the Coulomb electric force, electric current, magnetic fields, electricity, the right and left hand rules.

- 15.
## Electric Circuits: Capacitors

Students learn about electric circuits - capacitors through the study of electric potential, electrical charge, dielectric constants, and capacitance.

- 16.
## Electric Circuits: Advanced Topics

Students study advanced topics in electric circuits through the study of modern circuitry including diodes, inductors, transistors, operational amplifiers, and other chips.

- 17.
## Light

Light is studied through the concepts of light waves, electromagnetic radiation and fields, electrons, photons, Fermat’s Principle, refraction, diffraction, scattering and color absorption, and dispersion.

- 18.
## Fluids

We study fluids and apply the concepts of force, momentum, and energy. The concept of conservation of energy density in place of conservation of energy is presented as well as Archimedes’ Principle, Pascal’s Principle, Bernoulli’s Principle.

- 19.
## Thermodynamics and Heat Engines

Thermodynamics and heat engine concepts are presented through the study of heat, molecular kinetic energy, energy transfer, laws of thermodynamics, temperature of a gas, Adiabatic process, entropy, and the first and second laws of thermodynamics.

- 20.
## Special and General Relativity

Students are introduced to special and general relativity through Einstein's Theory of Relativity and concepts such as Lorentz time dilation and length contraction, the speed of light, curvature of spacetime, black holes, and event horizons.

- 21.
## Radioactivity and Nuclear Physics

Radioactivity and nuclear physics are introduced through the study of fission and fusion, alpha, beta, and gamma radiation, and radioactive decay.

- 22.
## Standard Model of Particle Physics

Particle physics is introduced through the concepts of matter, particles, subatomic particles, the Standard Model, CPT symmetry, fermions, bosons, leptons, quarks, and four fundamental forces in nature.

- 23.
## Feynman Diagrams

Feynman diagrams are used to calculate the probability of collisions, annihilations, or decays of particles. Drawing Feynman diagrams is the first step in visualizing and predicting the subatomic world.

- 24.
## Quantum Mechanics

This chapter introduces quantum mechanics, the description of how the universe works on the very small scale. The foundation of quantum mechanics was developed on the observation of wave-particle duality.

- 25.
## The Physics of Global Warming

This chapter discusses the physics of global warming as a manifestation of the second law of thermodynamics, as well as solar radiation, terrestrial radiation, and global surface temperature.

- 26.
## Equations and Fundamental Concepts

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