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
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
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.
Fun facts about the seasons of the year draw the reader in to this delightful book that includes weather related information.
People must go through difficult training to become astronauts. Kids will learn how astronauts prepare for life in space, complete their missions, and survive above the atmosphere. Blastoff! Series
At $2.2 billion, the B-2 is the most expensive aircraft ever built. Its payload capacity and stealth technology make it very effective in combat. Students will learn about the cutting-edge technology that makes stealth missions possible and the well-trained pilots who carry them out.