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CK-12 Foundation
Ck 12: Interactive Algebra 2 for Ccs
A complete high school Algebra 2 course with interactives in every lesson and videos in some. Adaptive Practice questions ensure the material is understood before moving on to build on it. Every lesson also has specifically chosen...
CK-12 Foundation
Ck 12: Interactive Geometry for Ccss
A complete high school Geometry course that includes interactives in every lesson and videos in some. Adaptive Practice questions ensure the material is understood before moving on to build on it. Every lesson also has specifically...
CK-12 Foundation
Ck 12: Earth Science for Middle School
This digital textbook covers core earth science concepts and includes interactive features, real-world examples, videos, and study guides.
CK-12 Foundation
Ck 12: Biology for High School
This digital textbook covers core biology concepts and includes interactive features, real-world examples, videos, and study guides.
CK-12 Foundation
Ck 12: Life Science for Middle School
This digital textbook covers core life science concepts and includes interactive features, real-world examples, and videos.
CK-12 Foundation
Ck 12: Flex Book: Trigonometry
[Free Registration/Login may be required to access all resource tools.] Six-chapter book that introduces students to trigonometry. Topics include right angles, circular functions, trigonometric identities, vectors, and polar equations.
CK-12 Foundation
Ck 12: Arithmetic: Area Models for Decimal Multiplication
[Free Registration/Login may be required to access all resource tools.] Find the product of two decimals using area models.
CK-12 Foundation
Ck 12: Asexual vs. Sexual Reproduction
[Free Registration/Login may be required to access all resource tools.] Explore the differences between the two methods of reproduction. Learners will identify types of asexual reproduction and recognize how plants and animals sexually...
CK-12 Foundation
Ck 12: Algebra: Additive Inverses and Absolute Values
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about additive inverses and absolute values.
CK-12 Foundation
Ck 12: Physical Science: Characteristics of Waves
[Free Registration/Login may be required to access all resource tools.] Covers three types of mechanical waves - transverse, longitudinal, and surface - and their characteristics. Includes labeled illustrations and two video animations.
CK-12 Foundation
Ck 12: Double Slit Interference
[Free Registration/Login may be required to access all resource tools.] Explains the terms diffraction, interference, and interference patterns. Describes the double slit experiment and how to determine the wavelength of a double slit...
CK-12 Foundation
Ck 12: Biology: Renewable and Nonrenewable Resources
[Free Registration/Login may be required to access all resource tools.] Identifies renewable and nonrenewable resources based on the rate at which humans use a resource. Natural resources, such as water, oxygen, and soil, are supplied by...
CK-12 Foundation
Ck 12: Ohm's Law
[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about the invention of the battery and how a battery works, and about resistance in an electrical circuit. As well, Ohm's Law is used...
CK-12 Foundation
Ck 12: Analysis: Products and Quotients of Complex Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson, students calculate the products and quotients of complex numbers, identifying conjugates. Students examine guided notes, review guided practice,...
CK-12 Foundation
Ck 12: Combined Series Parallel Circuits
[Free Registration/Login may be required to access all resource tools.] Presents methods for solving electrical circuit problems where there is a combination of series and parallel circuit features.
CK-12 Foundation
Ck 12: Parallel Circuits
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about parallel circuit design, and how to calculate equivalent resistance from resistors in a parallel circuit.
CK-12 Foundation
Ck 12: Series Circuits
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about series circuit design, and the role of resistors in maintaining the integrity of a circuit.
CK-12 Foundation
Ck 12: Single Slit Interference
[Free Registration/Login may be required to access all resource tools.] Explains what causes single slit interference of light and how to find the wavelength of a single slit interference pattern using a formula.
CK-12 Foundation
Ck 12: Concave and Convex Mirrors
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to draw ray diagrams and to solve problems for concave and convex mirrors.
CK-12 Foundation
Ck 12: Coulomb's Law
[Free Registration/Login may be required to access all resource tools.] Explains Coulomb's Law and how to use it to solve problems.
CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rocks
[Free Registration/Login may be required to access all resource tools.] Covers metamorphic rocks, which form from previous rocks exposed to heat and/or pressure.
CK-12 Foundation
Ck 12: Biology: Immunity
[Free Registration/Login may be required to access all resource tools.] Discusses immunity and the differences between active and passive immunity.
CK-12 Foundation
Ck 12: Biology: Blood
[Free Registration/Login may be required to access all resource tools.] Defines and describes red blood cells and white blood cells, and describes the roles of platelets.
CK-12 Foundation
Ck 12: Biology: Barriers to Pathogens
[Free Registration/Login may be required to access all resource tools.] Explains the body's first line of defense against pathogens, such as the skin and body fluids.