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National Aeronautics and Space Administration, Washington, DC. – 1973
Up-to-date knowledge about Skylab experiments is presented for the purpose of informing high school teachers about scientific research performed in orbit and enabling them to broaden their scope of material selection. The first volume is concerned with the solar astronomy program. The related fields are physics, electronics, biology, chemistry,…
Descriptors: Aerospace Technology, Astronomy, Demonstrations (Educational), Instructional Materials
Peer reviewed
Halkides, Christopher J. – Journal of Chemical Education, 2004
Classical phenylketonuria (PKU) is caused by a lack activity in the enzyme phenylalanine hydroxylase, leading to elevated concentrations of phenylalanine in the blood. A simple demonstration and three advanced demonstrations of a spot test for phenylpyruvic acid and its relationship to phenylketonuria are given.
Descriptors: Demonstrations (Educational), Science Activities, Science Instruction, Chemistry