Kay Manolis

"Introductory text explains the functions and physical concepts of the digestive system with color photography and simple scientific diagrams. Intended for students in grades three through six"--Provided by publisher.

"Introductory text explains the functions and physical concepts of the nervous system with color photography and simple scientific diagrams. Intended for students in grades three through six"--Provided by publisher.

"Introductory text explains the functions and physical concepts of the circulatory system with color photography and simple scientific diagrams. Intended for students in grades three through six"--Provided by publisher.

"Simple text and full color photographs introduce young readers to monster trucks. Intended for students in kindergarten through third grade"--Provided by publisher.

Movements called vibrations produce sound. Small vibrations make a quiet sound. Big vibrations make a loud sound. This book teaches children what sound is and how it can be measured.

Wave down a taxi and catch a ride! These helpful cars take people where they need to go. Beginning readers will learn how to catch a taxi, how taxis work, and where taxis can take people.

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.

Skid steer loaders are small construction machines that can do many different jobs. They are very useful for working in small places. Follow a skid steer loader as it drills a hole, lifts up a tree, or moves dirt.

Gases, liquids, and solids are all matter. Everything that has mass and takes up space is matter. This book instructs eager learners about the different forms of matter and explains how matter can change forms.

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.