Includes index.

"Whether they are testing a new drug, creating new materials, or checking the safety of our food and water, all scientists follow the scientific method. One of the major steps in the scientific method is testing your hypothesis. That's when scientists hit the lab! This volume stresses the important of safety in the laboratory-whether it's a school science lab or the most high-tech research facility. It also examines the proper rules and procedures everyone must follow when working with chemicals in the lab. Fact boxes and full-color photographs support the clear, age-appropriate text"--,Provided by publisher.