Burlington Public Library

Explains how leaves change their colors in autumn and then separate from the tree as the tree prepares for winter.

Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.

Describes the formation and characteristics of igneous, metamorphic, and sedimentary rocks and how to recognize and collect them.

Even though Mount Everest measures 29,028 feet high, it may be growing about two inches a year. A mountain might be thousands of feet high, but it can still grow taller or shorter each year. Mountains are created when the huge plates that make up the earth's outer shell very slowly pull and push against one another. Read and find out about all the different kinds of mountains. The earth's continents rest on plates that move slowly across our planet's...

Explains the challenges that face our planet as trash continues to build up, and teaches the importance of reducing, reusing, and recycling items in order to reduce the amount of waste produced.

This introduction to pandemics and their history shows readers how to stay safe, and also includes a glossary, an infographic on how the coronavirus spreads, a handwashing diagram and a timeline showing the pandemics of the past.

Everyone knows that Tyrannosaurus rex is the huge dinosaur with sharp claws and tiny arms. But in this Level Two LRFO from acclaimed science writer Melissa Stewart, you'll learn that T. rex is not the only tyrannosaur that existed in prehistoric times. In the last fifteen years, scientists have found many tyrannosaurs, including one with a really long pointy nose. The coauthor of this book, Dr. Steve Brusatte, went to China in order to help ID the...

"Machines help make work easier, like when you need to lift something heavy or reach way up high. There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out!"Amazon website.

Explains the phases of the moon--the changes that seem to happen to it as it goes around Earth.

All blizzards are snowstorms, but not all snowstorms are blizzards! What is the difference? Read and find out this and more!