Ciencias

What causes thunder and lightning? How do different clouds form? What makes a tornado twist? Kids will discover the answers to these questions and more in this colorful, photo-packed book. In this inviting and entertaining format, kids will discover what causes the weather they experience every day. This level 1 reader is written in an easy-to-grasp style to encourage the meteorologists of tomorrow!

Find out fascinating facts about the largest land mammal and the steps that are being taken to protect these gentle giants.

Nature's Children series provides young readers (Ages 8-10) with fascinating information about the planet's most incredible wildlife species. Each title offers a complete picture of the animal- from birth to adulthood- and describes its place in our world, including how humans impact it and its environment. Did you know that elephants are the world's largest land mammal-or that an elephant's trunk is made up of more than 40,000 muscles? These gentle giants are also at risk due to illegal hunting. Learn fascinating facts like these-and more-all in the pages of this book!

If you could have any animal's feet, whose would you choose? 

WHAT IF YOU HAD ANIMAL FEET? is the next book in the successful WHAT IF series by Sandra Markle, illustrated by Howard McWilliam, following the very popular WHAT IF YOU HAD ANIMAL TEETH? and WHAT YOU IF HAD ANIMAL HAIR? This latest edition teaches kids about the amazing variety of feet in the animal kingdom and their specialty functions! From cheetahs' fast feet to mountain goats' nimble climbing hooves, to flies' sticky feet! Each animal profile includes a photo as well as illustrations of kids with animal feet that are sure to make kids laugh!

What if you woke up one morning and discovered your body was covered in an animal's scales, feathers, or fur instead of your own skin? How would that change your life? What If You Had Animal Scales!? is the next imaginative book in Sandra Markle's popular What If You Had series.

If you had a chinchilla's fur, you'd never need to worry about bug spray. If you had a hammerhead shark's scales, you'd be the fastest swimmer on the team! And if you had a honeybee's coat, you'd always bring home the biggest haul on Halloween.

Discover what your life would be like if you had these special coats -- and find out why your skin is just right for you!

If you could have any animal's front teeth, whose would you choose?

WHAT IF YOU HAD ANIMAL TEETH takes children on a fun, informative, and imaginative journey as they explore what it would be like if their own front teeth were replaced by those of a different animal. Featuring a dozen animals (beaver, great white shark, narwhal, elephant, rattlesnake, naked mole rat, hippopotamus, crocodile, and more), this book explores how different teeth are especially adapted for an animal's survival. At the end of the book, children will discover why their own teeth are just right for them. And they'll also get a friendly reminder to take good care of their teeth, because they're the only teeth they'll ever have. Each spread features a photograph of the animal using its specialized teeth on the left and a humorous illustrated image of a child using that animal's teeth on the right.

A huge tornado takes you and your friend by surpise and you're swept up into the skies! Try not to panic, you never know what will be behind the next cloud! Filled with excitement and hilarity, this compositional challenge lets you tell your very own story starring...YOU! Combining National Geographic Kids' photography and illustrations in colorful laugh-out-loud pages, this engaging, entertaining, and educational book takes you on an adventure through the sky and invites you to enter a new world imaginatively by combining your story with theirs.

You've just been shrunken down to minature size and sent to roam the backyard! What happens next is up to YOU! Filled with excitement and hilarity, this compositional challenge lets you tell your very own story starring...YOU! Combining National Geographic Kids' photography and illustrations in colorful laugh-out-loud pages, this engaging, entertaining, and educational book introduces you to animals and people from your backyard, and invites you to enter a new world imaginatively by combining your story with theirs.

This brand-new series highlights some of the major contributions women have made in the world of science.

Did you know that the technology behind cell phones was based on an idea developed during World War II by the Hollywood star Heddy Lamar to prevent the enemy intercepting radio messages? The computer and other electronic devices have changed life dramatically over the last 70 years―and many of the key breakthroughs in technology were made by women. These women’s achievements were often highly specialized and have been widely overlooked. This book tells their stories and describes their vital contributions.

Learn how you can see the effects of wind. You can't see wind, but you can see its effects. Explore the different ways in which wind can help and hurt us.

It’s another busy day at the hospital! Meet doctors and nurses, ride in an ambulance, and discover the magic of medicine in this nonfiction story for kids.

This book is perfect for any child who is nervous about a trip to the hospital. Dr. Christle Nwora takes readers behind the scenes to meet the incredible people who keep you healthy, from surgeons to mental health therapists. Dr. Nwora also explains the science behind how things work, from X-rays to operating theaters.

Set over the course of one day, you’ll follow different patients through their trip to the hospital, including:

• A couple having a new baby
• A boy getting a cast for his broken arm
• A woman on her way to have an operation

As you turn the pages of this book, illustrated by Ginnie Hsu, marvel at the way hospital staff work together―see who prepares the food in the cafeteria, what goes on in the laundry room, and what doctors chat about during their coffee break.

Once you’ve read this book you’ll realize hospitals are full of heroes!

This year Henry and Mudge are out to make the best Mother's Day lunch ever. It has to be juicy, crunchy, and perfect for family sharing. When they select a gorgeous golden pineapple, the menu is shaping up to be anything but dull. Dad is helping them carve something almost too pretty to eat. So how will Henry ever stop Mudge from devouring the surprise before Mom sees it?
Series Information: Since its creation in 1987, the Henry and Mudge series has grown into one of the most beloved and acclaimed beginning-reading series ever. With more than two million copies sold, these books have been recommended by the American Library Association, the Library of Congress, Parents' Choice, The Horn Book Magazine, the International Reading Association, the American Booksellers Association, and most importantly, the thousands of children who belong to the Henry and Mudge fan club. Created by renowned Newbery Medalist Cynthia Rylant and acclaimed illustrator Sugie Stevenson, the Henry and Mudge series is without a doubt a classic for all time.

Get ready to meet the heroes and heroines of Greek legend in this action-packed mythological adventure. Filled with excitement and hilarity, this compositional challenge lets you tell your very own story starring...YOU! Combining National Geographic Kids' photography and illustrations in colorful laugh-out-loud pages, this engaging, entertaining, and educational book takes you on an adventure through the wild west and invites you to enter a new world imaginatively by combining your story with theirs.

From the first wheel to the International Space Station, the miracles of engineering are all around us. Think cars, bridges, skyscrapers, and yes – even bubble wrap! Engineers dream up new ideas and bring them to life while figuring out creative solutions to problems they encounter along the way. But how do they do it? Find out in Solve This!
 
In this fun book, kids are confronted with wacky scenarios like this one: You're playing with your little sister when a vulture swoops down and grabs her favorite teddy bear. Mid-flight, the vulture realizes it doesn't care for the taste of fake fur and drops it to the ground. But now the plushie is on the other side of a raging river. How do you stop your sister from crying, stay safe, and save the day? Each challenge invites kids to think creatively to problem solve. Then they can see how different National Geographic explorers tackled the challenge. One of the big lessons? There's often more than one solution!

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Inside you'll find:

* The name of China's boy emperor;

* A map, a time line, photos - and the reason for building the Great Wall of China;

* Surprising, TRUE facts that will shock and amaze you. 

Readers will learn about electricity while performing the short experiments in this book.

Why did ancient Egyptians put oil on the ground while they were building the pyramids?

The oil reduced friction and allowed them to drag huge stone blocks along the ground.

Inside, you'll find:

* How forces such as inertia and friction relate to motion;

* A timeline, photos - and how humans have used the laws of motion to invent things such as roller coasters and space shuttles;

* Surprising TRUE facts that will shock and amaze you!

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.

This book provides a short selection of experiments that can be performed using electricity.

When were batteries invented?

Italian scientist Alessandro Volta invented the first batteries in 1800.

Inside, you'll find:

* Why some materials hold electricity better than others;

* Experiments, a timeline, photos - and how electricity is created;

* Surprising TRUE facts that will shock and amaze you!

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.