CK-12 Foundation
Ck 12: Work
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will learn to calculate work and explain how it relates to the overarching idea of energy.
CK-12 Foundation
Ck 12: Thin Films
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about constructive and destructive interference created by thin films, and solve problems that involve thin films.
CK-12 Foundation
Ck 12: Electric Charge and Net Charge
[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about electric charges, and how the law of charges determines whether charges repel or attract each other. They will also learn how...
CK-12 Foundation
Ck 12: Millikan Oil Drop Experiment
[Free Registration/Login may be required to access all resource tools.] Describes the Millikan oil drop experiment of 1909 that demonstrated how to measure an electric charge on one electron. Includes a video demonstration of the...
CK-12 Foundation
Ck 12: Electric Current
[Free Registration/Login may be required to access all resource tools.] The definition of electric current is explained and how to calculate an electric current. Includes links to resources for learning more about electricity, i.e., a...
CK-12 Foundation
Ck 12: Electric Conductors and Insulators
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about materials that conduct electricity and those that insulate against it. Includes a simulation for exploring conductivity, and a...
CK-12 Foundation
Ck 12: Controlling Current Overload in Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Electrical circuits have safety features like fuses and circuit breakers to prevent an overload, which could cause a fire. This lesson explains how these work....
CK-12 Foundation
Ck 12: Energy Transfer in Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Students learn about the economic importance of calculating energy consumption, and are introduced to the equations used for measuring the electricity in an electric...
CK-12 Foundation
Ck 12: Internal Resistance of a Battery
[Free Registration/Login may be required to access all resource tools.] Batteries have both an ideal internal voltage and a terminal voltage, which is less due to internal resistance. This lesson presents sample problems and a video...
CK-12 Foundation
Ck 12: Properties of Magnets
[Free Registration/Login may be required to access all resource tools.] Looks at magnetic materials and the structure and breadth of a magnetic field. The concept of magnetic domains is explained, and how they behave in a magnetic field....
CK-12 Foundation
Ck 12: Magnetic Force on Moving Electric Charges
[Free Registration/Login may be required to access all resource tools.] This lesson examines how moving electric charges are affected when inside a magnetic field. Students are shown how to calculate the force on a single moving electric...
CK-12 Foundation
Ck 12: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] In order to understand electromagnetic induction, students are introduced to magnetic flux, to Faraday's Law of Induction, and to Lenz's Law. Includes a simulation...
CK-12 Foundation
Ck 12: Lenz's Law
[Free Registration/Login may be required to access all resource tools.] Lenz's law is explained and demonstrated. It states that a magnetic field is produced in opposition to an induced current.
CK-12 Foundation
Ck 12: The Electric Generator
[Free Registration/Login may be required to access all resource tools.] This lesson explains how an electric current is produced by a generator. Includes a simulation.
CK-12 Foundation
Ck 12: Electric Motors
[Free Registration/Login may be required to access all resource tools.] The design and function of electric motors are covered in this lesson.
CK-12 Foundation
Ck 12: Electromotive Force
[Free Registration/Login may be required to access all resource tools.] Explains what electromotive force, or EMF, is, and how to calculate the EMF of a moving wire in a magnetic field.
CK-12 Foundation
Ck 12: Unit 11: Magnetism: Summary
[Free Registration/Login may be required to access all resource tools.] Summaries the key concepts in a unit chapter on magnetism and electromagnetism.
CK-12 Foundation
Ck 12: The Bohr Model of the Atom
[Free Registration/Login may be required to access all resource tools.] Students will learn about the history of atomic theory, and the development of the Bohr model of the atom. Includes a simulation for exploring the Bohr Model.
CK-12 Foundation
Ck 12: The Nucleus and Isotopes
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about the particles in an atomic nucleus, isotopes, and nuclear forces.
CK-12 Foundation
Ck 12: Dangers and Uses of Radiation
[Free Registration/Login may be required to access all resource tools.] Students learn about sources of radiation in the environment, its dangers, and its uses.
CK-12 Foundation
Ck 12: Radioactive Half Life
[Free Registration/Login may be required to access all resource tools.] Explains radioactive half-life and radioactive dating, and demonstrates how to solve problems with each.
CK-12 Foundation
Ck 12: Pressure in Fluids
[Free Registration/Login may be required to access all resource tools.] Students will develop an understanding of density and pressure, and how to solve problems involving them.
CK-12 Foundation
Ck 12: Measuring Pressure
[Free Registration/Login may be required to access all resource tools.] Student learn how atmospheric pressure is measured and what is meant by gauge pressure.
CK-12 Foundation
Ck 12: Pascal's Law
[Free Registration/Login may be required to access all resource tools.] The use of Pascal's Principle to solve pressure problems is explained.