BiologyWise
Biology Wise: Definition and Examples of Stabilizing Selection
Explains what stabilizing selection is and how this type of natural selection actually limits genetic diversity in a population. Presents examples of stabilizing selection in different plants and animals.
University of Illinois
University of Illinois: Quadratic Formula
This site from the University of Illinois offers an excellent simulation of the quadratic formula, where you can type in different values for a, b, and c, and then view the change in the answer for x.
The Wonder of Science
The Wonder of Science: Ms Ls4 4: Natural Selection
Work samples, phenomena, assessment templates, and videos that directly address standard MS-LS4-4: natural selection.
Estrella Mountain Community College
Online Biology Book: The Modern View of Evolution
Take a closer look into the modern view of evolution. This article includes many pieces of evidence, all which support the theory of evolution.
Countries and Their Cultures
Countries and Their Cultures: Syriacs
Syriac is a branch of the Aramaic family of languages and was the lingua franca of the eastern Roman Empire at the beginning of the Christian era. It is also spoken extensively in the regions farther east. It became the language of...
Countries and Their Cultures
Countries and Their Cultures: Mande
"Mande" is a term that has been used to identify the culture that embraces the western third of Africa's great northern savanna and coastal forests. The Mali Empire was the source of the Mande diaspora; therefore, in a broad sense,...
Other
Front to Back Charleston
Written directions to a variation of the Charleston using the front to back dance style. Lists some suggested swing music cd's.
Shodor Education Foundation
Shodor Interactivate: Tessellate!
This creative applet allows you to tessellate variations you create starting with either a triangle, rectangle or hexagon. Directions are only a click away.
Science Education Resource Center at Carleton College
Serc: Tree Ring Model
In this lesson students will manipulate a hands-on, physical model to better comprehend the natural variations of tree-ring width and their uses for determining past climatic conditions. Students use the model as a real-world data...
PE Central
Pe Central: K 2 Pe Lesson Ideas: Spot Jumping
Young children practice jumpting and hopping through "Spot jumping," a game that requires them to listen to an instructor's directions and perform specific hopping tasks. This website includes ideas for homework related to the activity,...
Curated OER
Educational Technology Clearinghouse: Maps Etc: South China, 1971
"South China comprises the drainage basins of the middle and lower Yangtze River, the basin of the His Chiang (West River) in Kwangtung and Kwangsi; and the mountainous coastal provinces of Fukien and Chekiang. The division between the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Annual Rainfall in Africa, 1920
A map from 1920 of Africa and Madagascar showing the mean annual rainfall distribution given in inches, seasonal variations in precipitation, and seasonal costal wind direction. The map is color-coded to show annual precipitation ranging...
Curated OER
Etc: Maps Etc: Mexico, Central America, and the West Indies, 1898
A map from 1898 of Mexico, Central America and the West Indies. The map includes an inset map of Cuba and the Isthmus of Nicaragua. "The surface of the Rocky Mountain highland in Mexico is quite similar to that of the great plateau...
Curated OER
Etc: England During the Saxon Period, Ad 450 1066
A map of England, Wales, and southern Scotland during the Saxon Period from around AD 450 to the beginning of the Norman Conquest in 1066. This map shows major cities of the time, major river ways, topography, and is color-coded to show...
CK-12 Foundation
Ck 12: Algebra: Scale and Indirect Measurement Applications
[Free Registration/Login may be required to access all resource tools.] Learn how to solve problems using scale and indirect measurement.
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