Pennsylvania State University
Pennsylvania State University (Dr. Mc Clennen): How to Do a Close Reading
This guide is written for college students, but should be very useful for upper level high school students as well. The writer first describes fourteen steps to take in doing a close reading, then provides six pieces of advice on how to...
Pennsylvania State University
Kettering University: Vibration & Waves
A short tutorial providing general information about waves, their categories, properties and behaviors. Includes several animations and some practice questions with answers.
Pennsylvania State University
Earth 101: Distribution of Water on the Earth's Surface
The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located...
Pennsylvania State University
Penn State Graduate Program in Acoustics: Reflection From Mirrors
Included here are illustrations of reflections from a plane mirror, a concave mirror and a convex mirror.
Pennsylvania State University
Pennsylvania State Univ.: Trilingual Packaging Dilemma
This site from the Pennsylvania State University provides a hands-on activity to bridge the gap between right triangles, 30-60-90 and 45-45-90 theorems, and trigonometry, and what every student wants to know, "When will I ever use this?"...
Pennsylvania State University
Penn State Univ.: Quadratic Functions/sample Problem
Penn State University offers a sample problem finding roots of a quadratic function.
Pennsylvania State University
Pennsylvania State University: Bad Science
This site from the Pennsylvania State University is maintained to provide teachers and students with examples of the bad science often taught in schools, universities, and offered in popular articles and textbooks.
Pennsylvania State University
Penn State: Medieval Technology & American History: Daily Bread [Pdf]
Outline, compiled by a university research assistant, considers breads and bread making in medieval European society.
Pennsylvania State University
Penn State: Prehistoric Cultures of the Southwest
This site from Penn State gives a brief overview of all the ancient cultures of the Southwest, but gives emphasis to the Anasazi, their dwellings with a picture of an Anasazi pithouse.