A discussion of the lens-maker's formula and its use in determining the …
A discussion of the lens-maker's formula and its use in determining the effect of lens shape and index of refraction upon the magnifying power of a lens. Includes an interactive problem-solving section.
This site from Bibliomania contains the full text of Leo Tolstoy's classic, …
This site from Bibliomania contains the full text of Leo Tolstoy's classic, Anna Karenia. It begins with a brief, but interesting introduction and then has each chapter accessible by clicking on the link included.
This lesson introduces students to the concept of reading through common items …
This lesson introduces students to the concept of reading through common items from the community. Through examining these items (environmental print), students will practice their reading skills and begin to see themselves as competent readers.
It all about money! Explore the concept of money in this real-world, …
It all about money! Explore the concept of money in this real-world, unit plan. A collection of six lessons where students practice skills such as coin identification, mental math, menu math, making change, math operations with coins, and more. Thoroughly written, packed with engaging activities, and complete with printable worksheets. A Canadian money lesson that can be easily adapted for U.S. coins.
An online lesson for middle school students concerning learning reading fluency through …
An online lesson for middle school students concerning learning reading fluency through oral interpretation. Students read poetry aloud in presentation-form and work together at interpreting the poem, increasing understanding of meaning and reading fluency.
Nine lessons on parabolas are presented here. The lessons progress from the …
Nine lessons on parabolas are presented here. The lessons progress from the basics of parabolas (definition, algebraic representation of parabolas) to more advanced topics (ie. tangents to parabolas, parabolas in polar form).
This exhibition by National Portrait Gallery titled "Let Your Motto Be Resistance" …
This exhibition by National Portrait Gallery titled "Let Your Motto Be Resistance" presents photographs documenting notable African Americans and their contributions to American culture. The gallery of portraits offers an impressive selection of images of each individual accompanied by a short biography.
A copy of Henry VII's letter granting John Cabot permission to explore …
A copy of Henry VII's letter granting John Cabot permission to explore the New World and claim what he finds for England. Difficult to read, but an important primary source document.
The Smithsonian's EdGate project provides this illustrated narrative site that explores the …
The Smithsonian's EdGate project provides this illustrated narrative site that explores the mapping of the American West accomplished by the 1804-06 Lewis and Clark expedition.
This index of links offers the opportunity to explore important and interesting …
This index of links offers the opportunity to explore important and interesting topics. Visiting links on the desired topic is most likely to provide primary sources or at least point students in the right direction.
An interesting look at the governmental system in Libya. Information is from …
An interesting look at the governmental system in Libya. Information is from the U.S. State Dept. Background Notes. Read about Moamar Qadhafi's concept of government and how it is being carried out.
This is a very good introduction to the role evolution plays in …
This is a very good introduction to the role evolution plays in the development of biodiversity. These topics and extinction are explained with the use of colorful interactive pictures.
This tutorial explains light absorption, reflection and transmission in a clear and …
This tutorial explains light absorption, reflection and transmission in a clear and concise manner. Provides a "Check Your Understanding" section as well as additional links on color and light.
An in-depth discussion on reflection of light can be found here. Among …
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.
This site discusses primary lighting sources and gives information on the different …
This site discusses primary lighting sources and gives information on the different properties and spectral characteristics of each. Also includes links to some interactive Java applets.
No restrictions on your remixing, redistributing, or making derivative works. Give credit to the author, as required.
Your remixing, redistributing, or making derivatives works comes with some restrictions, including how it is shared.
Your redistributing comes with some restrictions. Do not remix or make derivative works.
Most restrictive license type. Prohibits most uses, sharing, and any changes.
Copyrighted materials, available under Fair Use and the TEACH Act for US-based educators, or other custom arrangements. Go to the resource provider to see their individual restrictions.