Educational material

All kinds of animals have skin-even humans!

Each year, typhoid fever affects up to 20 million people.

Did you know that tiny atoms that make up all matter hold huge amounts of energy?

Ba-boom, ba-boom, ba-boom .

How do we use our five senses?

Milo the dog loves playing with his owner.

Cats can code?

What heats our planet?

Support young readers as they learn the key skill of working with others every day on a variety of projects.

An ant hurries over the rocky ground.

The thing on the wing can sing.

A pot of water boils over a hot burner on the stove.

Day follows night.

En Estados Unidos, la cantidad de dinero que las personas ganan por hacer el mismo trabajo no siempre es la misma.

Every year, mosquitoes pass parasites that cause malaria to hundreds of millions of people, and hundreds of thousands die.

Just think, every single thing you do is handled by an amazing computer inside your head-your brilliant brain!

Do you plan how much money you'll use to buy candy?

Rising temperatures around the globe put animals at risk.

With a focus on STEM and late-breaking information, this book shows how scientists have made discoveries about Earth throughout history and how they will continue to do so in the future.

Watch Jordan prepare for her day by picking out outfits for school, dance, soccer-for all activities and in all weather!

Rapidly increasing sea levels are endangering coastal wildlife and contributing to major floods worldwide.

Will astronauts one day travel all the way to Mars?

Math is everywhere in sports!

What happens at a library?

Water, air, sunlight, plants .

Dan, Emma, and Ron want to compare how many apples they picked.

Virtual reality sounds like the stuff of science fiction movies and immersive video games, but what if you could use it to become a better surgeon or a pilot?

Math is everywhere when you're traveling!

¿Alguna vez te preguntaste qué hace brillar a una estrella?

Spark the love of learning with this picture-packed guide to the human body for children.

Shapes, games, boxes, and more!

Fireworks crackle and boom in the sky.

Look at where the sun shines--from farms and highways to cities and parks.

Are you a good teammate?

Vivid photos and up-to-date information teach readers about Mars, including details on climate and geography, how scientists have explored the planet, and what they hope to find out about Mars in the future.

Are you a good teammate?

Animals and plants all over the world are struggling to survive.

Have you ever seen an apple blossom?

Have you ever bought a cold drink at a lemonade stand?

Scientists and health-care workers around the world are battling COVID-19.

Dive beneath the waves to meet the crab, fish, turtles, whales, and seaweed that live in the ocean habitat.

A small, fierce dinosaur follows its nose.

Sharks-sleek, fast-moving predators with powerful jaws-can take care of themselves, right?

It is easy to spend money when you have a credit card or a loan.

Saving the day is easy for fictional heroes with superspeed and superstrength.

In 1492, Christopher Columbus sailed west from Europe and landed on a Caribbean island in what he thought was India.

From earwax and bad breath to boogers and burps, the human body is a disgusting place.

The fossil fuels powering cars, trains, and planes are harming the environment, but scientists are creating innovative and clean transportation solutions.

A mother elephant describes all the activities that she and her baby do together.