Susan B. Katz

A brownish creature with bumps and lumps sits on rock. Is it a frog or a toad? From the color of their skin to how they move, frogs and toads are not the same. Dive right in to discover how they are alike and how they are different.

Learning about history helps us understand how we got where we are today—and how to make the world a better place. This kid-friendly journey takes young learners through thousands of years of history, one key event at a time.

Two beady eyes peek out of the water. Is it a crocodile or an alligator? They may look similar, but these two reptiles have many differences, including where they live and the shape of their snout. Let’s find out what fearsome creature is really lurking below the water and explore their differences.

Flutter, flutter! What did you just see? Was it a butterfly or a moth? Butterflies and moths are similar, but they have some important differences. Find out how their colors, antennae, bodies, and behaviors can all help you tell these two animal look-alikes apart.

Buzz! Buzz! Was that a honeybee or wasp zipping past your ear?

Glass is all around you. It’s used to make the windows in your house to decorations on your shelves. Find out about different types of glass, how glass is made, and decide if it’s really possible to make a pillow from it.

A coat is made from different types of fabric, but could it be made with wood? Learn more about different types of wood and their many uses. Could it really be used to make a coat?

Plastic is in lots of items you use every day. Find out about different types of plastic, what they are used for, and if you could really make a toaster from it.

Books are made with paper. But what if we tried to make a book with metal? Copper, tin, gold, silver—would any of those materials work to make a book? Find out more about metal, its properties, and how it is produced. Then decide if you really could make a book out of metal.

Discover the life of Albert Einstein, a story about asking questions and discovering big things for ages 6 to 9. Albert Einstein became one of the most important scientists in history for his discoveries about physics and how our universe works. Before everyone knew him as a genius, Albert was a...

Discover the life of Jane Goodall—a story about loving and protecting nature for kids 6 to 9 Jane Goodall is a celebrated scientist for her studies of chimpanzees in the forests of Africa. Before she observed chimps and helped save them from losing their home, Jane was a curious kid who loved...

Discover the life of Frida Kahla—a story about strength, creativity, and never giving up for kids ages 6 to 9 Frida Kahlo is one of the most famous and celebrated artists who has ever lived. Before she made history with her beautiful paintings and brave spirit, she went through a life-changing...