Search Results: 13 books from 1 publisher. Learn more

Usemos la tecnología sabiamente

Cynthia O‘Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126627

Technology can make work easier, safer, and more fun. But some technology can also be harmful to the environment. Read about how we can make responsible choices in our use of technologies to help lessen the harm to the environment.

Piensa como un científico de la computación

Cynthia O‘Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126603

Computer scientists know how to follow steps, spot patterns, and fix problems to reach a goal. Read about how anyone can learn to think like a computer scientist!

La tecnología antes y ahora

Cynthia O‘Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126580

Read about the invention of certain tools, and how they have been improved over time to become the technology we use today.

Energía en todas partes

Cynthia O‘Brien (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126573

Energy powers the things that make our lives easier, safer, and more fun. Read about the Earth-friendly tools that are used to gather energy.

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.

¡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.

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.

¿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.

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.

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!