Describes how simple machines are used in construction and how they make work easier. Includes experiments.
Describes how various forms of energy are used with everyday examples. Includes experiments.
Describes the forces of push and pull using everyday objects such as strollers and wagons. Includes experiments.
Describes how magnets work and gives examples of everyday uses of magnets. Includes experiments.
Simply describes the forces of friction and other physics concepts using common toys such as bicycles and yo-yos. Includes experiments.
Bridges take cars, trains, and people across rivers, lakes, and canyons. This introductory title covers the materials used in bridge construction, the types of bridges, and the scientific concepts that make bridges work.
Dams are not just built to stop water. They can also change the direction it flows! Beginning readers will delve into this title that explains the kinds of dams, how forces act on them, and the benefits of certain materials in dam construction.