[Free Registration/Login may be required to access all resource tools.] Use the AA Similarity Postulate to determine if triangles are similar.

[Free Registration/Login may be required to access all resource tools.] This lesson covers adding and subtracting matrices with the same dimensions. Students can watch a video tutorial, explore guided notes and then attempt practice...

[Free Registration/Login may be required to access all resource tools.] Explains the process in which organ systems work to maintain a stable internal environment.

[Free Registration/Login may be required to access all resource tools.] Learn how to use the Law of Sines with different types of triangles.

[Free Registration/Login may be required to access all resource tools.] Wind picks up water and forms ocean waves that travel along the surface.

[Free Registration/Login may be required to access all resource tools.] Different types of eruptions create different types of volcanoes.

[Free Registration/Login may be required to access all resource tools.] Distinguishes between primary and secondary pollutants and identifies examples of each.

[Free Registration/Login may be required to access all resource tools.] Reveals tidal patterns and that tides are caused by the gravitational attraction of the Sun and Moon to Earth.

[Free Registration/Login may be required to access all resource tools.] Looks at how El Nino and La Nina affect the climate.

[Free Registration/Login may be required to access all resource tools.] The seismic waves that emanate from earthquakes include body waves and surface waves. Learn how scientists use seismic waves to learn about the Earth's interior.

[Free Registration/Login may be required to access all resource tools.] Describes how sediments weather, erode, and are deposited in a sedimentary environment.

[Free Registration/Login may be required to access all resource tools.] Explains that sedimentary rocks are classified by how they formed and by grain size.

[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.

[Free Registration/Login may be required to access all resource tools.] Introduces Steno's laws, which allow scientists to decipher the geological events that occurred and the order in which they took place, including how the relative...

[Free Registration/Login may be required to access all resource tools.] Explains how to prevent hazardous waste pollution and how the Superfund Act regulates this type of pollution.

[Free Registration/Login may be required to access all resource tools.] Looks at how meteorologists predict the weather.

[Free Registration/Login may be required to access all resource tools.] Looks at how the human population has grown. Some consume a tremendous amount of resources and produce a lot of waste.

[Free Registration/Login may be required to access all resource tools.] Describes some factors that lead to long-term climate changes.

[Free Registration/Login may be required to access all resource tools.] The lithosphere is made of the brittle crust and uppermost mantle and lies on the plastic asthenosphere. Read about the properties of the lithosphere and asthenosphere.

[Free Registration/Login may be required to access all resource tools.] Indicates the factors that lead to landslides and other mass movements, what their characteristics are, and how to avoid them.

[Free Registration/Login may be required to access all resource tools.] Describes the features of intrusive and extrusive igneous rocks that cool slowly and rapidly, respectively.

[Free Registration/Login may be required to access all resource tools.] Discusses the impacts of hazardous waste on the environment and human health, and the provisions of the Superfund Act.

[Free Registration/Login may be required to access all resource tools.] Presents igneous rocks, which form from magma, and the two types: dense, dark mafic and less dense, light felsic. Also covers Bowen's Reaction Series.

[Free Registration/Login may be required to access all resource tools.] Presents the classifications of igneous rocks based on silica content.