[Free Registration/Login may be required to access all resource tools.] Recognize the different skeletal joints in the body and understand their function.

[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.

[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.

[Free Registration/Login may be required to access all resource tools.] A classroom introduction to freshwater ecosystems.

[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.

[Free Registration/Login may be required to access all resource tools.] Explore and recognize the way climate alters or creates biomes.

[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.

[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.

[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.

[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...

[Free Registration/Login may be required to access all resource tools.] Find out how coevolution can occur in nature and identify the endosymbiotic theory.

[Free Registration/Login may be required to access all resource tools.] While building on the study of genetics, students will understand how to predict genetic traits with the application of Punnett Squares.

[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.

[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...

[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,...

[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.

[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...

[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.

[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.

[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.

[Free Registration/Login may be required to access all resource tools.] Students investigate how all types of energy, including work, relate to each other and are conserved in a closed system.

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....

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...

[Free Registration/Login may be required to access all resource tools.] Students will practice converting between liters and milliliters.