Discusses the basic principles of baking soda chemistry including the chemical composition of baking soda, its acid-base properties, the reaction of bicarbonate solution with calcium ions, and a description of some general types of chemical reactions. Includes a science activity that involves removing calcium ions from water. (LZ)

Describes the chemical reactions and compounds involved in making a cake. A protein coagulation and gas expansion laboratory activity is included in which the students bake a cake and eat it. (DS)

Describes the construction of a simple apparatus that can be used to take advantage of the overhead projector in a spectacular presentation of chemical reactions that complement quantitative approaches of study in the traditional high school science classroom. (JRH)

Presents an approach that can help students to understand what happens in an experiment. Uses overlapping transparencies of both the experiment and the analysis. Includes details of the experiment and transparency preparation. (DDR)

Discusses the nature of light-producing reactions and provides a procedure for demonstrating chemical luminescence using siloxene indicator. Indicates source of this chemical and safety precautions. (SK)