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Muchos tipos de ingenieros

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126382

Could an engineer that builds roads fix a problem on an airplane? Read about how different kinds of problems are solved by different kinds of engineers.

¡Elige reusar!

Crystal Sikkens (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126481

We can all make good choices to do our part to care for Earth. Read about the importance of reducing, reusing, and recycling, as well choosing items that can be used over and over.

¡Descubre dinosaurios!

Crystal Sikkens (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126474

The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves.

Los errores nos ayudan a aprender

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126375

Engineers don't give up when they fail to solve a problem. Discover why learning from mistakes helps guide engineers to find the best solution.

Ingeniería en mi comunidad

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126368

Read about some of the things that engineers design, such as bridges and water systems, to improve life in our communities.

Cómo resuelven problemas los ingenieros

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126337

Different problems need different solutions, but engineers follow the same steps to solve them. Discover the path engineers take to find new solutions or improve old ones.

Ideas de la naturaleza

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126351

Engineers often look to nature to help them solve problems. Read about human technologies that have been inspired by animals and plants.

Haciendo pruebas con modelos

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126344

Engineers build models to help them test how well their solutions will work. Read about how testing small-sized models helps them spot mistakes, make improvements, and create the best solution possible!

¿Cuál es la mejor solución?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126313

Did you know that a problem can have many different solutions? Read about how an engineer finds the best solution to solve a problem or meet a need.

¿Qué hace un ingeniero?

Robin Johnson (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126320

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

Cómo crece una huerta

Miranda Kelly (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689350

This simple book shows how food is grown, cared for, and harvested in a garden.

Hormigas sorprendentes

Miranda Kelly (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689305

Giant images of ants give kids a close-up view of ants in their colonies, doing their jobs, and going on raids.

Abejas útiles

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689336

Giant images of bees give kids a close-up view of different kinds of bees in their hives, their body parts, the jobs of different bees, and making honey.

Aves hermosas

Harold Morris (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689312

Beautiful images of birds give kids a close-up view of different birds, their body parts, eggs, and nests.

Fósiles y mamíferos antiguos

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689473

Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that scientists use to learn more about the ancestors of today's mammals.

Las formaciones terrestres y su origen

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689459

Wind and water move sand and soil and carve rock. Enormous plates of land push against each other and create mountains. Find out how these incredible changes on Earth have happened over time.

Fósiles y plantas antiguas

Kelli Hicks (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689480

Earth was a lot different when dinosaurs were alive. Lush, deep forests once grew where we now have frozen oceans and glaciers. Even though there have been incredible changes on Earth, there are some ancient plants that are still living today!

Fósiles y dinosaurios

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689497

Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they could run. Even though there have been incredible changes on Earth, there are still dinosaur relatives living today!

Fósiles y animales marinos

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689503

Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still sea monster relatives living today!

El agua: un sistema terrestre

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039689466

Hurricanes form over warm ocean water. Liquid water becomes a gas or a solid, and then becomes a liquid again. Pollution and climate change affect water habitats. Incredible changes to water are happening all the time, yet the amount of water on Earth remains the same as it ever was!

¿Qué es un tiburón?

Dominic Carter (author)

Publisher: Crabtree Publishing Company ISBN: 9781427132321

Sharks swim the ocean looking for food. But just what makes a shark, a shark? This book explains to children the important science concept that different kinds of fish can have different body parts.

La cadena alimenticia de un desierto

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781427132314

An ecosystem is a community of living and non-living things connected to one another where they live. Desert ecosystems have very little water, but they are home to many plants and animals. Young children are introduced to one desert food chain and are encouraged to learn more and draw a food chain of their own.

¿Cómo encontrar un bicho en una rama?

Sebastian Smith (author)

Publisher: Crabtree Publishing Company ISBN: 9781427131218

We're going on a bug hunt! This colorfully illustrated rhyming book takes young readers on a quest to find bugs.

¿Puedo entrar al Club de los Osos?

Margaret Salter (author) Margaret Salter (illustrator)

Publisher: Crabtree Publishing Company ISBN: 9781427130730

Do you have a special place where you and your friends hang out, like a club? Would you be surprised to find out that bears have a club too? Find out what bear club members have in common.

¿Por qué no puedo dormir?

Margaret Salter (author) Margaret Salter (illustrator)

Publisher: Crabtree Publishing Company ISBN: 9781427130761

Ajun's book on bears says he should be sleeping all through winter. That's funny. He never has before, but he'll give it a try. So why can't he sleep?