Ck 12: Physical Science: Generators and Motors

Need a quick reference sheet for a physical science class? A helpful single-page sheet contains the periodic table of elements, a chart of metric prefixes, a display of the electromagnetic spectrum, and several physical science...

[Free Registration/Login may be required to access all resource tools.] Discusses the intensity of sound and how it relates to loudness, the decibel levels of different sounds, and factors that affect sound intensity.

[Free Registration/Login may be required to access all resource tools.] What series and parallel circuits are and how they differ.

If you need a way to assess the concepts in your physical science class, use an extended set of worksheets as a midterm or final exam. It includes questions about density, physical and chemical matter, speed and velocity, weight and...

Overview of the basic concepts behind evolution, such as gene variation and adaptations.[Free Registration/Login may be required to access all resource tools.]

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the evolution of agriculture and how it has impacted human population growth. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how intrusive and extrusive igneous rocks form. Includes a few questions to check for understanding.

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the scientific principles of correlation and causation. Review questions are included at the bottom of the study guide.

Review the main concepts of metabolism and replication with this study guide.

Use this study guide to review the main concepts of ponds and lakes.