Describes a project-oriented high school chemistry course that utilizes laboratory units in which the students make a practical product, such as soap, thus exposing them to career possibilities. (MLH)

Describes the construction and use of a simplified apparatus for fermentation studies. (LS)

Describes the investigations of the decomposition of a diazonium salt by the action of light. (LS)

Describes an experiment designed to develop an understanding of the basic acid neutralization reaction of sodium bicarbonate, calcium carbonate, and aluminum hydroxide gel. Presents a procedure for the determination of reaction rate for an antacid in vitro and provides sample data for this determination. (GS)

Summarizes the results of a 1969 experiment survey made for learning the impact of special publications and the trend of experimentation in colleges. Describes some new or modified apparatus that has appared since the 1956 survey. (GS)

This study attempted to determine at what grade levels children develop the ability to combine and control variables, the effect of the elementary science program on this development, and the relationship between a child's ability to control variables and his ability to form combinations of variables. (GS)

In 1986, the Louisiana State Board of Elementary and Secondary Education requested that an advanced course in Biology II be developed. The resulting curriculum guide contains grade appropriate goals, skills, and competencies; suggested activities; suggested materials of instruction; and minimum time allotments for instruction. Biology II is a…

This curriculum guide to the physical sciences was prepared for use in high schools in Duval County, Jacksonville, Florida. Courses covered for grades 10-12 are chemistry, advanced chemistry, physical science, physics, advanced physics, science survey/physical, and science research. For each course, the following elements are included: notes to…