The sun is out in the day and always has a circle shape. The moon's shape s...More

Follow that garbage truck...to the landfill to see how trash keeps piling u...More

What makes an insect an insect? What makes a bug a bug? Read and find out! ...More

It's fall! The leaves are changing color. This Let's-Read-and-Find-Out pict...More

After a caterpillar comes to school in a jar, the children are captivated a...More

Read and find out about one of nature's most mysterious forces-the earthqua...More

In the fall, pumpkins are everywhere: in the garden, in the supermarkets, a...More

A mountain might be thousands of feet high, but it can still grow taller or...More

Female frogs lay eggs in the water, but what hatches isn't a frog yet-it's ...More

Have you noticed that the moon sometimes seems to grow and shrink? Read and...More

Germs are all around us, but they're too small to see. Many germs are harml...More

Your skeleton helps you leap, somersault, and touch your toes-without it, y...More

How does a tiny acorn grow into an enormous oak tree? This classic Level 1 ...More

The sun shines down on us, giving warmth and light. But did you know that t...More

Did you know that a tree is the biggest plant that grows? How does a tree g...More

Light is all around you! It comes in many forms: Light from the sun brighte...More

What do you and a tuna have in common? You are both part of a food chain th...More

Sight, smell, taste, hearing, and touch-our five senses teach us about our ...More

You are lying in bed listening to the soft sound of rain. It has been comin...More

Let's-Read-and-Find-Out about Endangered Animals Have you seen a northern...More

Named a Best Children's Science Book of the Year by Science Books & Films, ...More

The earth-and everything on it-needs water. But lately, it's been unusually...More

The earth is getting hotter, and not just in the summer. The climate of you...More

Where is it partly cloudy and 860 F? Venus! This classic picture book is a ...More

Sounds are all around us. Clap your hands, snap your fingers: You're making...More

Machines help make work easier, like when you need to lift something heavy ...More

Can you make an ice cube disappear? Put it on a hot sidewalk. It melts into...More

All blizzards are snowstorms, but not all snowstorms are blizzards! What is...More

A house is a home for you, a nest is a home for a bird, and a cave is a hom...More

Crawling through the dirt, worms are hard at work, helping plants to grow. ...More

What's for lunch? Your body needs lots of different things to eat, and ever...More

Will it be warm or cold? Should we wear shorts or pants? Shoes or rain boot...More

The ocean covers almost three-quarters of the Earth, but how deep does it g...More

Why does a magnet pick up a paper clip but not a leaf or a penny? How can t...More

You can't breathe underwater, but a fish can. You can't eat underwater, but...More

In the ocean, sharks are near the top of the food chain. Sharks have the sa...More