An explanation of Archimedes discovery of the formula to measure density of an object using water. Includes directions to conduct an experiment using the Archimedes' method, plus a report form. Part of abcteach's Where We Find Science; Science in Water Series.
A two page text explains the history and science of the big bang theory and the reasons scientist consider it valid. Includes a vocabulary exercise of related scientific terms and a set of short answer questions.
Introduces the idea of gravity, with space for students to list examples of gravity in their own lives; explains the relationship between gravity and weight; gravity and air resistance are explained and reviewed with two science experiments.