Radioactive pollutants can enter the body through ingestion, inhalation, absorption, or injection. The last lesson in a series of 36 introduces pupils to radioactive pollution. They study its sources, both natural and man-made, its...

Extensive information about how waves behave in an elastic medium. Covers different types of waves, their characteristics and behavior, the anatomy of the ear, the speed of sound in different media, the parts of a wave, and wave phenomena.

[Free Registration/Login may be required to access all resource tools.] This guide gives a detailed overview of mechanical waves and the characteristics of waves. Covers wave behavior, including types of interference, resonance, and the...

Discusses the history of the discovery and study of electromagnetism, the scientists who worked on it, the basic principle, how wavelength and frequency are related, and types of electromagnetic waves.

Explore the electromagnetic spectrum and learn about each type of energy on the spectrum.

This resource describes the two different types of seismic waves and how they travel through the earth, offers diagrams of the waves, their speeds, and how seismograms are used to locate earthquakes.

Explains what a natural disaster is and provides a list of every type along with a short description of each.

Basic definitions and characteristics of the different wave types, diagrams, and speeds of the waves. Has links to information on seismology, earthquakes, and plate tectonics.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about types of seismic waves. Includes a few questions to check for understanding.

What is electromagnetic radiation and how does it work? Review a captioned graphic that explains electromagnetic radiation and the visible and invisible types of radiation on the electromagnetic spectrum.

An informative site that explains how and where earthquakes occur and the different types of faults. Contains maps and charts of fault lines, plate edges, and the continental plates. There are other links within the site of related...

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the six types of erosion and deposition that create Earth's landforms. Includes a few questions to check for understanding.

Explains what earthquakes are, what causes them, the different types, tsunamis that can be caused by them, and how to prepare if living in an earthquake-prone area.

Although it is arguably the most successful theory in physics, quantum physics has often baffled and confounded both its practitioners and the general public. This informative website discusses the types of mysteries, which still plague...

Solutions to the Schrodinger wave equation give four types of atomic orbitals. Explanation of how quantum numbers specify these orbitals.