Grade 4

We use wheels and axles several times every day. Young readers will learn how a wheel and axle work together, how they make work easier, and how they are used in larger, complex machines. More →

Winter winds blow snow at 35 miles per hour or more for at least three hours during a blizzard! Young readers will learn how blizzards form and why blizzard conditions temporarily shut down… More →

The Midwestern United States was nicknamed “The Dust Bowl” in the 1930s because years of drought devastated the region. This book teaches why droughts happen, how they affect living things,… More →

Hurricane winds spin around a central point called an eye. A hurricane’s eye usually has calm weather and clear skies. Eager readers will discover how hurricanes form, move, and damage tropical areas. More →

Roads become slick when freezing rain falls. Drivers can easily lose control of their vehicles and crash into each other. This book introduces children to unpredictable ice storms by… More →

Underwater earthquakes, volcanoes, and mudslides can cause tsunami waves that reach land and wreak havoc. Children will learn how tsunamis develop, how they are detected, and their… More →

Lowriders are more about appearance than speed or performance. They are more like works of art than cars. Kids will learn about the history of the lowrider craze and how it has changed over the years. More →

A firefly is an insect that can make light by mixing chemicals inside its body! This book introduces children to light sources, light rays, and the scientific concept of reflection. More →