Investigates 12 great moments in the history of radio. Includes amazing facts along with information about key players and innovations.
Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make work easier and how they are often part of complex machines. Blastoff! Series
Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction of levers makes work easier. Blastoff! Series
Use forensic science to solve a mystery in this graphic high interest book.
The M109A6 Paladin is a large, mobile howitzer. It can fire rounds several miles to support ground forces. Readers will learn about the features that make the Paladin successful, how it performs on the battlefield, and common Paladin missions.
Investigates 12 great moments in the history of TV. Includes amazing facts along with information about key players and innovations.
Harrier Jump Jets play a major role in the United States Marine Corps. Their ability to vertically take off makes them very valuable. Young readers will explore the technology behind the AV-8B Harrier Jump Jet and learn about the missions it performs.