The document discusses various aspects of science laboratory work. It outlines the objectives of laboratory work such as making abstract concepts concrete, developing scientific skills and attitudes, and training in the scientific method. The importance of laboratory work is highlighted, including how it allows students to learn by doing, develop manipulative skills and scientific thinking. General principles of laboratory construction are presented focusing on compact and expandable arrangements with proper lighting and storage. Guidelines are provided for administering laboratory work, selecting equipment, establishing rules and safety precautions.