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¡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.

Stephen Hawking

Anita Croy (author)

Publisher: Crabtree Publishing Company ISBN: 9781427126146

Stephen Hawking's stated his goal was "No less than a complete understanding of the universe." This fascinating biography details the life and achievements of Stephen Hawking, a scientist who made significant contributions to the field of physics. Hawking's theories always inspired and challenged colleagues, and his strength was building on older theories and revolutionizing them into new theories such as black hole radiation.

Driverless Cars

Ryan James (author)

Publisher: Crabtree Publishing Company ISBN: 9781638978206

Join the car mania! It's time to take your hands off the wheel and zoom into the high-tech world of driverless cars. Learn about the first driverless cars, how sensors work together to let a car "see" its surroundings, and what driverless cars can do at five different levels of automation. After Reading Questions. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.

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!

La lumière : l'énergie que nous pouvons voir!

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609495

Learn about light in this easy-to-read book. Simple text, colorful photos, and diagrams explain how light comes from a source, how it moves, and what is happening when you see reflection or refraction. Light waves and frequency also featured. Fun facts about light scattered throughout. Word matching game, comprehension questions, glossary, and index included. Contains the science concepts and vocabulary students need to know in grades 3 to 5. Correlates to NSTA's Science Standards.

Le son : tout savoir sur le sujet!

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609525

Young readers learn plenty about sound energy including how sound travels, how animals and people focus on sounds, and and how we use sound to gather information all around us.

L'eau, de l'eau partout

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609532

It moves, it freezes, it melts. Kids find out that water takes on different forms and that it plays an important role in supporting life on Earth. Includes the water cycle.

L'électricité tous les jours, choquant mais vrai

Julie K. Lundgren (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609471

Young readers will learn what electricity is, where it comes from, and how it is produced and used in our homes and businesses. Words like energy, circuit, and conductor, are clearly explained.

Les organismes vivants

Patricia Armentrout (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609297

Young readers will understand the differences between living and non-living things with this bright and colorful book, which describes objects, as well as animals and plants and their life cycles.

Les saisons

Tracy Nelson Maurer (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609327

Young readers should prepare for this early STEM concept. This book will help early learners get ahead in understanding the concept of the cycle of seasons.

Nos cinq sens

Christian Lopetz (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609310

Detailed illustrations and colorful photos show kids how our five senses help us explore and enjoy the world around us.

Les cycles de la Terre

Christian Lopetz (author)

Publisher: Crabtree Publishing Company ISBN: 9781039609266

Earth has many natural cycles. Day and night repeat over and over again. Seasons happen year after year. Even plants and animals have cycles. This book helps young readers understand how our life cycle and Earth's cycles work together.

Des squelettes effrayants mais intéressants

Alan Walker (author)

Publisher: Crabtree Publishing Company ISBN: 9781039608528

Skeletons can look a little creepy, because, well, we usually wear them on the inside. This book explains why some animals don't have a skeleton, and why humans can't do without one. Amazing photos and simple text make this book a great high-interest read.

Rock Band

Amy Culliford, Anita Barghigiani (author) Anita Barghigiani (illustrator)

Publisher: Crabtree Publishing Company ISBN: 9781638973065

The Rock Band loves to play rock and roll. They go on tour for days. Each band member formed millions of years ago, all in different ways!

Properties of Matter

Christina Earley (author)

Publisher: Crabtree Publishing Company ISBN: 9781638973751

Do you wonder about the world around us? Matter is everywhere. In this book, learn the measurable properties and observable properties that scientists use to understand matter.