Use forensic science to solve a mystery in this graphic high interest book.
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
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.
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
Early in the morning, farmers wake up to milk their dairy cows. People need milk to make cheese and ice cream. Young readers will learn how cows live on the farm and give people milk. Blastoff! Series
Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines. Blastoff! Series