"Explains essential facts about energy, including the difference between kinetic and potential energy, different energy sources, and how energy changes and is transferred. Includes experiments"--Provided by publisher.
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53 Results
Literary Form
53 Results
Examines, in text and labelled diagrams and illustrations, how various types of airplanes and other flying machines work and the kinds of functions they perform. Includes instructions for related projects and experiments.
"From endangered species to habitat conservation, get a zoo view of wildlife!" -- P.4 of cover.
Describes the physical characteristics, behavior, and feeding habits of various mammals found in wildlife refuges and open-air zoos, including elephants, monkeys, and lions.
Investigates, in text and labelled diagrams and illustrations, the functions of various kinds of building machines and how they work. Includes instructions for related projects and experiments.
"Describes in detail how the engines, gears, and controls of semitrailer trucks and specialized trucks work"--Provided by publisher.
Looks at the importance of weather in everyday life, explains the role of the sun in Earth's weather, where wind comes from, how the water cycle works, what makes clouds and rain, and why the way we live may affect the weather.
"Explains essential facts about sound, including human voices, how musical instruments work, echoes, and ultrasound. Includes experiments"--Provided by publisher.
Explains displacement and fundamentals of sailing, gives directions for building a catamaran and a hovercraft, and suggests experiments showing how things float.
Explains esssential facts about magnets, including magnetic fields, Earth's magnetism, electromagnets, and magnetic trains. Includes experiments.
Explains essential facts about electricity, including static electricity, electric currents, circuits, and batteries, with instructions for experiments.
Describes rocks, their uses, stone quarries, and how to make your own rock.