physical sciences

Text and illustrations present the scientific workings of the world and the latest modern scientific developments.

Introduces students in grades five through eight to key concepts in physics, focusing on simple machines, using visuals and experiments to discuss work, forces, levers, the wheel and axle, pulleys, the inclined plane, and compound machines. Includes review segments.

Amanda takes her friend Kyle to a science store where the owner helps them understand the physical and chemical properties of matter, and the processes, such as rusting or burning, by which those properties change.

Presents an introduction to the basic concepts of physics, chemistry, and astronomy with this look at the nature and properties of energy and nonliving matter.

Introduces students in grades five through eight to key concepts in physics, focusing on magnetism, using visuals and experiments to discuss poles, magnetic fields, domains, spinning atoms, the use of magnetism in music, compasses, and Earth's magnetic field. Includes review segments.

Learn about the forces that allow for flight: lift, gravity, thrust and drag, as well as the role atoms and air pressure play. Includes hands-on activity.

Examines fire as a force in the physical universe, explaining its benefits and how it can be used or abused by humankind.

Explores light and its properties such as wavelength, reflection and absorption.

Introduces the concepts of motion and balance to students in grades five through eight, providing a definition of motion, and discussing balancing forces, relative motion, Newton's three laws of motion, inertia, net force, and other topics. Includes experiments and reviews.