National Woman's History Museum
The Women of NASA
Human computers? Although it may sound like science fiction, the term was used to describe the women who made the NASA calculations before the advent of electronic computers. A 21-slide presentation introduces viewers to the women who...
Kenan Fellows
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local...
Curated OER
Using Conversion
Instruct youngsters how to convert from one unit of measurement to another. This basic skill is useful in science courses as well as in math courses. Learning check slides are included to help viewers practice solving these types of...
Curated OER
Mathematics - Squares, Square Roots
Looking for a quick introduction or review for area formulas? Terminology and formulas for the area of squares, rectangles and triangles is presented. Connections with exponents and the Pythagorean Theorem are demonstrated.