The Art of Beauty
Attaining ideal beauty in the 18th century might require hog's lard, mousehide, toxic lead, and daily application of gin. Historical Interpreter Meg Brown shares her favorite discoveries.
Problem solving is the thought processes involved in solving a problem. It is both a means of developing students' knowledge of mathematics and a critical outcome of a good mathematics education. A mathematical problem, as distinct from an exercise, requires the solver to search for a method for solving the problem rather than following a set procedure. Mathematical problem solving, therefore, requires an understanding of relevant concepts, procedures, and strategies. To become good problem solv
The Physical and Theoretical Chemistry Laboratory: Oxford University: Chemical and Other Safety Info
Working with chemicals can be very dangerous if properties of the chemicals are not known. This site serves "as a source of general information about the potential hazards of chemicals," but it warns that the Material Safety Data Sheets (MSDS) should always be obtained from the manufacturer. Compiled by the Oxford University chemistry department, the resources given on this site complement MSDS sheets very well. For instance, a brief guide explains how to properly use and interpret them, and a m
Salamander Feeding Movies
This Web site is compiled by salamander biologist Stephan Deban, who offers a look at a number of different feeding strategies used by salamanders. High-speed video clips of twelve different salamander species are available for viewing, accompanied by brief descriptions of each species and their particular feeding behavior. This Web site is easy to navigate and interesting to visit, even for those unfamiliar with the field of salamander biology.
Climate of 2002 Preliminary Annual Review
The National Climatic Data Center of the National Oceanic and Atmospheric Administration (NOAA) has made available the Climate of 2002 Preliminary Annual Review Web site. Visitors will find numerous charts; graphs; tables; and descriptions of global temperatures, temperature trends, regional temperatures, and global precipitation. A US climate summary, as well as information on significant events, the Atlantic hurricane season, and the western US wildfire season, is also available. The site has
Human Genome Project Information: DNA Forensics
A detailed introduction to DNA forensic identification can be found on this Web site, provided by the US Human Genome Project (coordinated by the Department of Energy and the national Institutes of Health). The site includes descriptions of or links to a number of fascinating case studies, such as proving the son of executed French King Louis XVI and Marie Antoinette did indeed die as a child in prison, and testing claims that African Lemba tribesmen are directly descended from the ancient tribe
Earth and Space
In earth and space science, students study the origin, structure, and physical phenomena of the earth and the universe. Earth and space science studies include concepts in geology, meteorology, oceanography, and astronomy.
Through a five-lesson series with five hands-on activities, students are introduced to six simple machines - inclined plane, wedge, screw, lever, pulley, wheel-and-axle - as well as compound machines, which are combinations of two or more simple machines. Once students understand about work (work = force x distance), they become familiar with the machines' mechanical advantages, and see how they make work easier. Through an introduction to compound machines, students begin to think critically ab
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