CK-12 Foundation
Ck 12: Episd: Skeletal System Joints
[Free Registration/Login may be required to access all resource tools.] Recognize the different skeletal joints in the body and understand their function.
CK-12 Foundation
Ck 12: Episd: Human Actions and the Sixth Mass Extinction
[Free Registration/Login may be required to access all resource tools.] Through studying the past, students will explore extinction patterns and their causes and consider ways to protect biodiversity across the globe.
CK-12 Foundation
Ck 12: Episd: Global Climate Change
[Free Registration/Login may be required to access all resource tools.] Recognize the harmful contributions of burning fossil fuels on the environment and understand the impact of the acidification of the earth's oceans.
CK-12 Foundation
Ck 12: Episd: Freshwater and Wetlands Biomes
[Free Registration/Login may be required to access all resource tools.] A classroom introduction to freshwater ecosystems.
CK-12 Foundation
Ck 12: Episd: Aquatic Biomes
[Free Registration/Login may be required to access all resource tools.] Students will recognize aquatic biomes and understand the adaptations necessary to survive in one.
CK-12 Foundation
Ck 12: Episd: Climate Effects on Biomes
[Free Registration/Login may be required to access all resource tools.] Explore and recognize the way climate alters or creates biomes.
CK-12 Foundation
Ck 12: Episd Biology: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] Students will study how energy flows through an ecosystem and learn about photoautotrophs and chemoautotrophs, the role of decomposers, and of consumers.
CK-12 Foundation
Ck 12: Episd: Water Cycle
[Free Registration/Login may be required to access all resource tools.] An introduction to the biogeochemical cycle, the water cycle. Recognize evaporation, sublimation, and condensation. Identify groundwater and runoff water supplies.
CK-12 Foundation
Ck 12: Episd: Forces of Evolution
[Free Registration/Login may be required to access all resource tools.] Students will explore the factors that lead to evolution such as genetic mutation, gene drift and gene flow.
CK-12 Foundation
Ck 12: Episd: Theory of Evolution by Natural Selection
[Free Registration/Login may be required to access all resource tools.] An introduction to Charles Darwin and his theory of evolution by natural selection is offered for students. Meet the writers who influenced Darwin to develop his...
CK-12 Foundation
Ck 12: Episd: Coevolution
[Free Registration/Login may be required to access all resource tools.] Find out how coevolution can occur in nature and identify the endosymbiotic theory.
CK-12 Foundation
Ck 12: Connecting Cellular Respiration and Photosynthesis
[Free Registration/Login may be required to access all resource tools.] How do trees help you breathe? This activity covers the connection between cellular respiration and photosynthesis and identifies the products and reactants of each.
CK-12 Foundation
Ck 12: Anaerobic and Aerobic Respiration
[Free Registration/Login may be required to access all resource tools.] Do you know why oxygen is so important? Module provides a comparison of the advantages and disadvantages of aerobic and anaerobic respiration and discusses the role...
CK-12 Foundation
Ck 12: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus. Students will learn about the structures associated with the nucleus like the nuclear envelop, the nucleolus,...
CK-12 Foundation
Ck 12: Organization of Cells
[Free Registration/Login may be required to access all resource tools.] Discusses how cells are organized in living things and explains the origin and significance of multicellular organisms.
CK-12 Foundation
Ck 12: Resistors in Series and Parallel
[Free Registration/Login may be required to access all resource tools.] The differences between series and parallel circuits are highlighted. Provides an in-depth look at how to solve problems about circuits and resistors. Includes a...
CK-12 Foundation
Ck 12: Mass on a Spring
[Free Registration/Login may be required to access all resource tools.] Students solve problems dealing with simple harmonic motion using a mass on a string.
CK-12 Foundation
Ck 12: Episd: Position Time Graphs
[Free Registration/Login may be required to access all resource tools.] Understand how to evaluate data presented in graphs based on speed and velocity calculations.
CK-12 Foundation
Ck 12: Light as a Ray and the Law of Reflection
[Free Registration/Login may be required to access all resource tools.] Students explain the ray model of light, describe the law of reflection, and investigate how images are formed from flat mirrors.
CK-12 Foundation
Ck 12: Diffraction Calculations
[Free Registration/Login may be required to access all resource tools.] Students investigate diffraction of light and the interference patterns that are produced through constructive and destructive interference of the waves. Students...
CK-12 Foundation
Ck 12: Diffraction
[Free Registration/Login may be required to access all resource tools.] Students investigate diffraction of light and the interference patterns that are produced through constructive and destructive interference of the waves. Students...
CK-12 Foundation
Ck 12: Series Circuits
[Free Registration/Login may be required to access all resource tools.] Using diagrams, video clips, and informational text, students learn how electrical current flows through a series circuit.
CK-12 Foundation
Ck 12: Elastic Collisions
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students are asked to demonstrate and apply the law of conservation of momentum.
CK-12 Foundation
Ck 12: Heat
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will describe how the macroscopic properties of a thermodynamic system such as temperature, specific heat, and pressure are related to...