A very descriptive site that allows students to understand the different states of matter at the atomic level. Also discusses the process of phase changes and displays phase change graphs. Thermochemistry is also touched upon for high...

The trigonometry tutorial investigates the graph of the cosecant function. The interactive tutorial examines the period, phase shift, and range of the cosecant graph. Learners use the applet to manipulate the parameters of the cosecant...

The trigonometry tutorial explores the graph of the cotangent function. The interactive tutorial explores the period, phase shift, and domain of the cotangent graph.

The mathematics tutorial explores the cosine function. The interactive tutorial investigates the period, phase shift, domain, and asymptotes of the cosine function.

The mathematics tutorial examines the sine function. The interactive tutorial explores the period, phase shift, domain, and asymptotes of the sine function.

The mathematics tutorial examines the secant function. The interactive tutorial explores the period, phase shift, domain, and asymptotes of the secant function.

The mathematics tutorial explores the tangent function. The interactive tutorial investigates the period, phase shift, domain, and asymptotes of the tangent function.

Students are introduced to our planet's structure and its dynamic system of natural forces through an examination of the natural hazards of earthquakes, volcanoes, landslides, tsunamis, floods and tornados, as well as avalanches, fires,...