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Ribeiro, Rui P. P. L.; Silva, Ricardo J. S.; Esteves, Isabel A. A. C.; Mota, Jose´ P. B. – Journal of Chemical Education, 2015
The construction of a simple volumetric adsorption apparatus is highlighted. The setup is inexpensive and provides a clear demonstration of gas phase adsorption concepts. The topic is suitable for undergraduate chemistry and chemical engineering students. Moreover, this unit can also provide quantitative data that can be used by young researchers…
Descriptors: Science Equipment, Material Development, Science Materials, Scientific Concepts
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Moran, Paloma; Galindo, Juan – Biochemistry and Molecular Biology Education, 2011
We report a practical home-made microcentrifuge to be used for teaching purposes. It was made using a salad spinner and two polymerase chain reaction (PCR) tubes racks. It can accommodate 2 standard size 96-well plates or 24 strips or up to 192 microfuge tube. The centrifuge is hand-operated and is ideal for short spin down purposes. (Contains 3…
Descriptors: Science Course Improvement Projects, Science Materials, Science Equipment, Material Development
Kurtz, Thomas E. – 1968
Most of this report is concerned with describing the project and its activities and accomplishments during the first year of its existence. A major goal of the project is to produce units of curricula in which the computer can be used to enhance the teaching or learning of mathematics, the sciences, and other secondary school subjects. Thirty-one…
Descriptors: Computer Assisted Instruction, Computer Programs, Curriculum, Educational Programs