Why is your desk smooth? Why is sandpaper rough? What is friction? This engaging title invites curious readers to discover the answers to these questions. Vibrant photographs and accessible text encourage readers to investigate how smooth and rough materials are used in everyday life.
This engaging title introduces readers to materials that are either hot or cold. Accessible text and close picture support invite readers to identify hot and cold things around them and understand why things melt and freeze. Readers will also learn how people measure temperature.
This book looks at the difference between flexible and rigid objects. Using familiar objects, readers discover how flexible and rigid objects are used in everyday life. Readers are encouraged to identify and classify materials based on these physical properties.
This title has mass appeal! Colorful images and clear and concise text invite readers to look at the property of weight. Using familiar examples, readers learn how to tell the difference between heavy and light objects and learn how people weigh objects. Readers then identify, describe, and compare materials based on weight.
What materials will keep you dry on a rainy day? What materials will help you clean up a spill? Child-friendly examples and vibrant photographs support readers as they explore how different materials respond to liquids.
Vibrant photographs and accessible text introduce young scientists to the concept of density. Readers are encouraged to explore what makes some objects float and others sink.
This engaging title introduces readers to materials that are either hard or soft. Using familiar examples, readers learn what makes hard and soft objects different and why they are suited for different purposes. Easy-to-understand text and colorful photos invite young readers to identify and classify hard and soft things around them.