I am Hatzegopteryx

Can you imagine swooping through the air like Hatzegopteryx, a giant of the ancient skies? Hatzegopteryx (hatz-eh-GOP-ter-iks) was one of the largest pterosaurs that ever lived;...

Penguins: A Compare and Contrast Book

Yes, some of the 18 species of penguins live in cold, polar regions, but most penguins live in warm climates. One species even lives near the equator! These birds “fly”...

Animal Tracks and Traces

Animals are all around us. While we may not often see them, we can see signs that they’ve been there. Some signs might be simple footprints in snow or mud (tracks) and other...

After A While Crocodile Alexa's Diary

Alexa and the other children at her escuela in Costa Rica have a special project: they are raising American Crocodiles. She names her croc Jefe, which means "boss," because he...

Magnetic Magic

Dena loves using magnets to perform magic tricks for the kids at the pool. When Enrique arrives in town, he doesn’t like that Dena is fooling the others. He gives her a...

The Fort on Fourth Street A Story About the Six Simple Machines

When a young child decides to build a fort in the backyard, Grandpa comes forward to help. But they can’t do it alone—they get help from the six simple machines: lever,...

Animal Helpers: Aquariums

Where else could you stay dry while visiting aquatic animals from around the world? Only in an aquarium can you visit and learn about all these different local and exotic animals....

The Shape Family Babies

Mr. and Mrs. Shape are expecting a baby, but they are surprised when three arrive! The first is just like Mother Rhombus, the other just like Father Rectangle, the third baby is a...

Newton and Me

While at play with his dog, Newton, a young boy discovers the laws of force and motion in his everyday activities. Told in rhyme, Lynne Mayer’s Newton and Me follows these best...

Count Down to Fall

Count backwards from 10 to one during one of the most colorful times of year: fall. Learn about the bright, colorful leaves and the trees from which they fall: aspen, birch,...

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