the Dragonfly TV
the National Science Foundation
This 5-minute Flash video from Dragonfly TV features two middle school students who experiment to develop the best lip gloss. After they each create an initial batch using different quantities of the same ingredients, the students modify their "recipes" to alter characteristics, including hardness, color, and shine. They then test-market their formulations. Based on the results, they determine whose formulation is preferable. Also included are discussion questions and background information on the design process used in cosmetic manufacturing.
Teachers' Domain is a growing collection of more than 1,000 free educational resources compiled by researchers and experienced teachers to promote the use of digital resources in the classroom.
6-8: 4D/M10. A substance has characteristic properties such as density, a boiling point, and solubility, all of which are independent of the amount of the substance and can be used to identify it.
6-8: 4D/M11. Substances react chemically in characteristic ways with other substances to form new substances with different characteristic properties.
8. The Designed World
8B. Materials and Manufacturing
6-8: 8B/M1. The choice of materials for a job depends on their properties.
6-8: 8B/M2. Manufacturing usually involves a series of steps, such as designing a product, obtaining and preparing raw materials, processing the materials mechanically or chemically, and assembling the product. All steps may occur at a single location or may occur at different locations.
<a href="http://www.compadre.org/portal/items/detail.cfm?ID=11254">Dragonfly TV, and National Science Foundation. Teachers' Domain: The Chemistry of Makeup. Boston: WGBH Educational Foundation, December 30, 2007.</a>
Dragonfly TV, and National Science Foundation. Teachers' Domain: The Chemistry of Makeup. Boston: WGBH Educational Foundation, December 30, 2007. http://www.teachersdomain.org/resource/lsps07.sci.phys.matter.dfmakeup/ (accessed 22 May 2013).
Teachers' Domain: The Chemistry of Makeup. Boston: WGBH Educational Foundation, 2007. 30 Dec. 2007. Dragonfly TV, and National Science Foundation. 22 May 2013 <http://www.teachersdomain.org/resource/lsps07.sci.phys.matter.dfmakeup/>.
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%0 Electronic Source %D December 30, 2007 %T Teachers' Domain: The Chemistry of Makeup %I WGBH Educational Foundation %V 2013 %N 22 May 2013 %8 December 30, 2007 %9 application/flash %U http://www.teachersdomain.org/resource/lsps07.sci.phys.matter.dfmakeup/
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