Engineers often look to nature to help them solve problems. Read about human technologies that have been inspired by animals and plants.
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!
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.
Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.
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.
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!
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!
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!
Algunas historias se cuentan tan seguido que la gente comienza a creérselas, aunque no son verdaderas. Si suficientes personas empiezan a creer en este tipo de historias falsas, a las segundas se les llama mito. ¿Sabes qué es verdad y qué no lo es? ¿Los puercoespines realmente lanzan sus púas? ¿Alguien puede ser tan ciego como un murciélago? ¿Las serpientes son babosas o las zarigüeyas cuelgan de sus colas? ¿Y qué tanta madera puede masticar una marmota? Aprende qué es verdad y qué no lo es en la incorporación más reciente de la serie de Anatomía de los Animales, de Mary Holland
Los árboles nos dan deliciosas manzanas, pero también ayudan a construir casas. Uno de estos es natural, el otro hecho por el hombre. ¿Puedes identificar el recurso natural? En esta edición de la serie Un libro de comparaciones y contrastes, investigamos objetos comunes que nos rodean y cómo los materiales naturales se transforman en herramientas, juguetes y hasta electricidad. Luego de explorar docenas de fotos, los lectores serán profesionales identificando las formas en que usamos recursos naturales de las plantas, animales y elementos provenientes de la parte interna de la superficie terrestre.
¡Los hermanos mayores son maravillosos! Sabías que los hermanos mayores también son importantes en familias de animales? Los hermanos mayores de los animales hacen muchas de las mismas cosas que los hermanos mayores de los niños. Estos juegan con sus hermanos menores, les enseñan nuevas cosas y ayudan en su cuidado. Algunas veces los hermanos mayores de los animales incluso cuidan de los pequeños cuando sus padres se van de cacería. ¿Eres un hermano mayor o tienes un hermano mayor?
Learn all about graphing in this informative Spanish-translated nonfiction e-book! This digital book helps readers understand how to graph a clear visual representation of data, encouraging mathematical and STEM skills. See strong examples of bar graphs, circle graphs, and line graphs, learning the best way to present data using these tools. Full of vibrant images, easy-to-read informational text, clear mathematical diagrams, and text features including a glossary and index, this title will help Spanish readers improve their graphing skills, creating their best graphs yet!
Explore estimation and geophysical predictions by learning about seismologists, volcanologists, and meteorologists in this digital resource! This exciting Spanish-translated nonfiction e-book showcases the importance of predicting and preparing for disasters in order to save lives. Volcanologists test gases on a volcano to predict eruptions! Meteorologists use Doppler radars to predict tornadoes! These data collectors use estimation in order to do this. Spanish readers can use sample problems to practice estimation with the help of easy-to-read informational text, clear mathematical charts and diagrams, and text features such as a glossary and index. This e-book encourages children to improve their problem solving and STEM skills.
Learn how estimation and approximation theory can be helpful when natural disasters strike! This nonfiction Spanish-translated e-book tells the stories of Hurricane Katrina, tornadoes and thunderstorms in Oklahoma, and a tsunami in Indonesia. All of these natural disasters were very dangerous and devastating, but estimations and predictions saved lives! This digital resource teaches Spanish readers about the properties of natural disasters, while reminding them how vital mathematics can be! Children can explore the math behind these natural disasters through practice problems. These practical examples, along with vibrant images, clear mathematical diagrams, easy-to-read informational text, STEM themes, and text features such as a glossary and index, will keep readers engaged and will re-enforce the importance of mathematics.
Go on a journey through land, air, and sea to learn all about reading maps! This exciting Spanish-translated e-Book familiarizes readers with many different types of maps, teaching them about map symbols, keys, compasses, and grid coordinates. From street maps to moon maps, maps are used every day, everywhere! Vibrant images, clear mathematical charts and diagrams, relatable practice problems, and an accessible glossary all work together to engage children and improve their map reading and STEM skills.
The students in this book are learning about gardens. Each grade will plant its own garden. One grade will plant a pizza garden with all the vegetables and herbs needed to make a yummy pizza sauce. Another grade will plant a storybook garden. Although each grade will plant different things, they will all use patterns in their planning. Look inside to see how many patterns you can find.
Learn about different animals that live in the city, collecting data and making predictions about each of them! This entertaining e-book, translated in Spanish, follows the story of a fourth-grade class field trip to a park where students study and investigate different animals such as mallard ducks, sparrows, rabbits, dragonflies, and more. Children will be encouraged to build analytical habits as they are engaged with simple practice problems relating to ecology and mathematics. With STEM themes, clear mathematical charts and diagrams, easy-to-read informational text, vivid images, and text features such as a glossary and index, this Spanish-translated nonfiction e-book will encourage readers to collect data and make predictions about animals and many other topics on their own!
Find three-dimensional shapes while learning about architecture and historic architects in this Spanish-translated e-Book! A good understanding of geometry and three-dimensional shapes is essential for architects building houses because all houses have three-dimensional shapes like pentagons and prisms. Readers can follow the process of building a house from start to finish, mastering geometric concepts through practice problems. These problems, along with clear mathematical diagrams, easy-to-read text, and vibrant images will keep readers engaged and confident in their geometry and STEM skills.
Practice data analysis while learning about endangered species! This Spanish-translated title allows young readers to improve their understanding of data analysis and graphing methods, teaching them about probability and STEM skills through bar graphs and pictographs. This book includes engaging examples of wild animals who are endangered species, teaching readers about their habitats, their greatest threats, and their predicted populations. Vibrant images, exciting examples, and clear mathematical diagrams and charts engage readers while making them more confident in their data analysis skills.
Learn how wildlife scientists use graphs, charts, and data analysis! It is important for wildlife scientists to assess probability and more when working with wild animals like polar bears and chimpanzees! This Spanish-translated title uses mathematical diagrams and charts to improve readers' data analysis and STEM skills. Learn about Jane Goodall's work in chimpanzee conservation! Accurate data analysis is essential to her work and the work of many other scientists! These exciting examples will engage readers, while practice problems and clear diagrams will make them more confident in their own data analysis skills.
In From Sand to Glass, early fluent readers learn how glass is made, from melting sand to pouring molten glass into molds to give it shape. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this item gets to be the glass that we use in many everyday items. An infographic illustrates the cycle with real photos and descriptions. Children can learn more about glass using our safe search engine that provides relevant, age-appropriate websites. From Sand to Glass also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In From Metal to Bicycle, early fluent readers learn how a bicycle is made, from producing steel from metal to workers welding the frame. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this item gets to be the bike they ride for fun. An infographic illustrates the cycle with real photos and descriptions. Children can learn more about bicycles using our safe search engine that provides relevant, age-appropriate websites. From Metal to Bicycle also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In From Tree to Paper, early fluent readers learn how paper is made, from wooden logs to pulp to our printers. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this item gets to their notebooks. An infographic illustrates the cycle with real photos and descriptions. Children can learn more about paper using our safe search engine that provides relevant, age-appropriate websites. From Tree to Paper also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In From Sheep to Sock, early fluent readers learn how a sock is made, from shearing wool from sheep to pairing and packing socks for people to buy. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this item gets to their dressers. An infographic illustrates the cycle with real photos and descriptions. Children can learn more about socks using our safe search engine that provides relevant, age-appropriate websites. From Sheep to Sock also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In From Wax to Crayon, early fluent readers learn how a crayon is made, from melting wax and mixing in pigments to boxing up crayons for people to buy. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this item gets to their classrooms and homes. An infographic illustrates the cycle with real photos and descriptions. Children can learn more about crayons using our safe search engine that provides relevant, age-appropriate websites. From Wax to Crayon also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
