This Florida State University page includes an interactive java tutorial that explores the relationship between frequency, wavelength, and energy, and enables the visitor to adjust the intensity of the radiation and to set the wave into motion. There is also a discussion on electromagnetic waves that accompany the tutorial.

Chefs at Gaines Street Pies explain how they make their pizzas and why all of their pizzas are similar circles. [4:13]

[Free Registration/Login Required] This is a formative assessment task where students are asked to estimate the population of Utah based on information given about its population density and the perimeter of its state boundaries. Samples of student responses and possible misconceptions are provided along with questions to help students clarify their thinking and deepen their understanding.

[Free Registration/Login Required] This is a formative assessment task where students are asked to use geometric solids to model each of four tent shapes on a worksheet and use mathematical language to describe them. Samples of student responses and possible misconceptions are provided along with questions to help students clarify their thinking and deepen their understanding.

A lesson plan in which students preview a text and complete a graphic organizer to activate prior knowledge. Materials are included.

A lesson plan in which students browse a text and complete a graphic organizer to show prior knowledge. Materials are included.

A lesson plan in which students read a text and create questions using the words provided on word cards. Materials are included.

A lesson plan in which students browse a text and complete graphic organizers to help them activate prior knowledge. Materials are included.

A lesson plan in which students read short texts and sort them according to the author's purpose: to persuade, to inform, or to entertain. Materials are included. [PDF]

Discusses the changes of state that can occur for the three different types of matter (solids, liquids, and gases) and different types of heat energy that have been defined by scientists.

This birthstone resource presents a brief description of each birthstone, a link to more information and a photomicrograph of the gem.

Site highlights the various features of an animal cell. Presents users with a colorful diagram depicting the anatomy of the animal cell. Provides links to obtain more detailed information about the various components found in animal cells.

This Florida State University page introduces light as an electromagnetic wave and discusses the frequency and wavelength range of the various regions of the electromagnetic spectrum. Includes links to some interactive Java applets.

This resource provides a detailed diagram of animal, bacterial and plant cells and viral structure. Also included are detailed drawings, with definitions, of each of the cellular organelles.

Simulate the creation of an induced magnetic field through the use of a simple electric circuit. An interactive demonstration is included.

Comprehensive and sophisticated overview of light refraction includes an historical overview of the subject and explanations of the mathematics that underpin refractive indexes, the relative index of refraction, Snell's law, and light dispersion. Included are many diagrams, charts, and interactive tutorials.

This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared radiation, radio waves, and microwave rays.

A small sample of some of the 3000 photomicrographs of rocks returned to Earth by the Apollo astronauts. Click on the "Primer" page to see how the photos are made and what the different colors mean.

This site features a clear picture of the plant cell with a concise explanation of its key parts and their functions.

An in-depth discussion on reflection of light can be found here. Among the topics discussed include are the difference between specular and diffuse reflection, concave and convex mirrors, facets, total internal reflection, and much more. Also provided are some interactive Java tutorials on reflection of light.