conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
CO2 To the Rescue Lab Activity kit, to invent a small device that could rescue a cell phone that accidentally falls into water, Students conduct a pair of chemical reactions to determine which of two acids react with baking soda to produce the most CO2 gas
Birth defects and folic acid unassembled kit, supplies for 10 students or groups, Core Concepts: The development of the nervous system begins early in a pregnancy, Prenatal testing may indicate abnormalities in the development process.
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