Presents four simple laboratory procedures for: preparation of organometallic compounds, a realistic qualitative organic analysis project, a computer program to plot potentiometric titration curves, and preparation of stereoscopic transparencies. (SL)

Describes an organic chemistry laboratory exercise which uses thermochromic compounds to study the thermodynamic effect of temperature on chemical equilbrium. (SL)

Describes the apparatus and procedures for constructing simple AM radio circuits with a minimum of electronic components. (SL)

Describes the apparatus and procedures for conducting a simple speed of light experiment in an average laboratory using a laser source, a rotating mirror, and an oscilloscope. (SL)

Describes a series of polarography experiments using commercially available pulse polarography instruments. (SL)

Light-emitting diodes (LEDs) are described and three classroom experiments are given, one to prove the, low power requirements and efficiency of LEDs, an LED on-off detector circuit, and the third an LED photoelectric smoke detector. (BB)

A laboratory experiment is described which illustrates such concepts as resonance, inductive, steric, and solvation effects in a beginning organic chemistry course. This experiment is designed to encourage students to predict results and interpret their findings. (MR)

Describes a demonstration experiment illustrating rotation of grains process of metamorphic rock formation utilizing clear gelatin blocks. (SL)

Describes an experiment in which students determine the level of cholesterol in serum. (SL)

Discusses the determination of eutectic composition, the mathematics of chemical equilibrium, the wave functions of one-electron orbitals, and the use of pharmacological agents in introductory chemistry courses. (SL)

Describes an undergraduate analytical laboratory experiment demonstrating the use of masking to obtain selectivity in complexometry. (SL)

Provides a listing of articles and papers published in 1976 relating to various fields of biology and presents various biological science activities. (SL)

Describes four science experiments relating to energy developed for interdisciplinary general science courses. (SL)

Describes six different plants which will respond to various artificial stimuli. (SL)

Describes an experimental procedure for illustrating general principles of photochemical reaction kinetics. (SL)