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.
Read about some of the things that engineers design, such as bridges and water systems, to improve life in our communities.
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.
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.
Read all about primary colors, and how they mix together to make secondary colors.
From squawking birds of paradise to monkeys swinging through the trees and insects crawling along the forest floor, be amazed by the variety of life that lives in a rain forest.
Learn all about the constellations, shooting stars, and satellites you can see when you look up into the night sky.
Find out about different animals and how their babies grow from caterpillars to butterflies, from joeys to kangaroos, and from cubs to lions.
How does weather work and how does it affect people's lives? Find out about the weather, from clouds and fog to snow, sleet, and hail.
Join the car mania! It's time to shift gears and zoom into the totally unique world of tuner cars. Learn what it means to tune a car, common ways that cars are customized, and the difference between a lowrider and a lead sled. After Reading Questions. Includes a support page of teaching tips for caregivers and teachers. Downloadable Teacher's Notes available.
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.
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.
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.
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!
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!
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.
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.
Do they buzz, fly, bite, or sting? Discover some incredible facts about insects in this colorful book.
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.
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.
