Scientific diagram illustrates the percentage composition of foods including corn, potato, onion, apple, peanut butter and olive oil. Illustrations are after the charts created by Charles Ford Langworthy of the United States Department of Agriculture, published by the Department.

Illustration found within junior high school/high school-level textbook on science with topics including air; food; water; weather; fire; heating, lighting and electricity within homes; clothing and microscopic organisms. Begins with a foreword to the teacher with subsequent content including scientific projects and experiments. End of book contains a bibliography of children's books on science as well as as list of equipment needed for text teachings. Scientific diagrams and illustrations can be found throughout the text including printed photographic reproductions of students conducting experiments and lab equipment setups for experiments.