CK-12 Foundation
Ck 12: Food Chains and Food Webs
[Free Registration/Login may be required to access all resource tools.] Videos, texts, activities, and assessments about food chains and food webs in an ecosystem.
CK-12 Foundation
Ck 12: Flex Book Textbooks: Earth Science Concepts for Middle School
[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Earth science concepts for middle grades.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Model Rocket
[Free Registration/Login Required] Learn about the relationship between position and velocity for a model rocket during launch and in free-fall. Experiment with rocket mass, rocket thrust, and rocket burn time to understand the...
CK-12 Foundation
Ck 12: History of Chemistry
[Free Registration/Login may be required to access all resource tools.] Students learn about the history of chemistry through instructional videos, grade-level texts, and quick assessments.
CK-12 Foundation
Ck 12: Atoms
[Free Registration/Login may be required to access all resource tools.] Students learn about atoms and atomic structure in this collection of instructional videos, grade-level texts, and quick assessments.
CK-12 Foundation
Ck 12: Cell Biology
[Free Registration/Login may be required to access all resource tools.] Read grade-level texts, complete activities, and take assessments about cell biology.
CK-12 Foundation
Ck 12: Geometry Software for Constructions
[Free Registration/Login Required] Students explore the concept of using geometry software to construct geometric shapes by navigating through the interactive learning module and then answering questions that go along with the module....
CK-12 Foundation
Ck 12: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] A variety of learning opportunuties about levels of organization in the human body. Includes videos, activities, discussion questions, and quizzes.
CK-12 Foundation
Ck 12: Asexual vs. Sexual Reproduction
[Free Registration/Login may be required to access all resource tools.] Videos, texts, activities, and assessments helping students learn about asexual and sexual reproduction.
CK-12 Foundation
Ck 12: Earth Science: Impact of Continued Global Warming
[Free Registration/Login may be required to access all resource tools.] How continued global warming will impact the environment.
CK-12 Foundation
Ck 12: Physics: Projectile Motion
[Free Registration/Login may be required to access all resource tools.] A large collection of resources for learning about projectile motion. Includes learning modules, simulations, videos, a study guide, and practice activities.
CK-12 Foundation
Ck 12: Third Grade Science
[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 3. It has sections on physical science, earth science, and life science. Each of those is broken down into 3 to 5 topics.
CK-12 Foundation
Ck 12: Fourth Grade Science
[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 4. It has sections on physical science, earth science, and life science. Each of those is broken down into eleven or twelve topics.
CK-12 Foundation
Ck 12: Fifth Grade Science
[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 5. It has sections on physical science, earth science, and life science. The first two are broken down into eleven topics each, and...
CK-12 Foundation
Ck 12: Physics Simulation: Drawbridge
[Free Registration/Login Required] Learn about torque balance in the context of a medieval drawbridge using this interactive simulation. A PDF worksheet and a video tutorial are also available. [3:47]
CK-12 Foundation
Ck 12: Physics Simulation: Coulomb's Law
[Free Registration/Login Required] Learn how the placement of charges leads to an electric field and electric potential patterns in nearby space using our interactive simulation. A PDF worksheet and a video tutorial are also available....
CK-12 Foundation
Ck 12: Physics Simulation: Orbital Motion
[Free Registration/Login Required] Understand angular momentum conservation in the absence of an applied torque in the context of planetary orbits using this interactive simulation. A PDF worksheet and a video tutorial are also...
CK-12 Foundation
Ck 12: Rocks and Processes of the Rock Cycle
[Free Registration/Login may be required to access all resource tools.] Instructional videos, grade-level texts, interactive activities, and quick assessments about rocks and processes of the rock cycle.
CK-12 Foundation
Ck 12: Sociology
Flexbooks 2.0 are interactive, customizable, digital textbooks. Flexbooks are standards-aligned. Flexi, a student tutor, is integrated into each book to guide you on your learning journey. Flexi can assist in learning, answer questions,...
CK-12 Foundation
Ck 12: Philosophy
Flexbooks 2.0 are interactive, customizable, digital textbooks. Flexbooks are standards-aligned. Flexi, a student tutor, is integrated into each book to guide you on your learning journey. Flexi can assist in learning, answer questions,...
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
CK-12 Foundation
Ck 12: Physics: Motion Study Guide
This study guide on motion covers some key vocabulary and terms to describe motion: displacement vs. distance, acceleration, speed vs. velocity, and instantaneous vs. average. It includes graphs showing distance vs. time, velocity vs....
CK-12 Foundation
Ck 12: Physics: Circular Motion Study Guide
This study guide on circular motion covers key terms, centripetal force, linear vs. circular motion, precession, and equations. Includes four example problems with detailed solutions. The guide is available for download with free...
CK-12 Foundation
Ck 12: Interactive Middle School Math 8 for Ccss
A complete CCSS Grade 8 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...