Great sports players understand angles! Readers are introduced to geometry in this exciting title that uses easy-to-read text, STEM topics, eye-catching photos, and engaging practice questions to teach children about basic geometrical concepts, including angles, lines of symmetry, perpendicular lines, and a vertex. Featuring challenging mathematical problems, a glossary, and useful index, this title will give readers all the tools they need to learn the winning angles!
A pond may seem quiet and subdued, but this unique ecosystem is filled with active life cycles. Students learn what distinguishes a pond from other bodies of water, the plant and animal life within it, and how their life cycles contribute to the pond itself.
Readers learn all about tropical and temperate rainforests and the differences between these two unique biomes. Rainforests are filled with wonder and mystery, from the tall trees in the canopy to the dark and damp leaves on the forest floor. The plants and animals that inhabit these rainforests are varied and exotic. They depend on the rainforest, as does the rest of the world.
Hurricanes plague the tropics from June through November. Some years bring just a handful of storms. Other years, meteorologists run out of names because there are so many. Readers learn how and where these storms form and the dangers they pose to the land and people who live in Gulf and Atlantic coast regions.
As far as dangerous weather goes, tornadoes may be the most fierce and powerful of storms. Readers will learn how and where tornadoes hit, and how people protect themselves from life-threatening winds. While most people run away from tornadoes, storm chasers actually run after these swirling masses! Readers will be highly engaged from cover to cover as they learn the science behind these storms.
Readers learn all about wetlands and their complex interactions with plants and animals in this colorful title! Although wetlands don't necessarily need to be covered in water all year long, most areas are pretty wet. Whether they are freshwater or tidal, they play a key role in the health of the Earth. They provide homes for many different kinds of plants and animals that are well adapted for the soggy conditions.
Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.
Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.
Sports offer opportunities for readers to learn and apply concepts and principles related to force and motion. Readers learn how science plays a critical factor in any athlete's quest to be the best at his or her sport. They read how mass is related to acceleration and velocity. Physics and aerodynamics affect many sports and help athletes strategize their next moves against their opponents. This book covers a variety of interesting sports suitable for the casual to the most fanatic sporting enthusiast.
Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.
The need for speed is the motivating factor in this engaging book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.
Take a trip to the fire station to learn how firefighters use measurement to put out fires! This engaging, Spanish-translated title takes young readers through the history of firefighting and the development of fire engines, teaching them how firefighters have measured extinguishing water throughout the years. Firefighters used to carry three-gallon buckets of water to toss on a fire! Some old water tanks held 90 gallons of water! These fun facts, paired with related practice problems, help readers learn more about measurement, volume, perimeter, and STEM topics.
Learn about natural measurements that people used in the past! Before people used inches, meters, pounds, and hours for measurement, they used body parts, the sun, stones, and seeds to measure weight, length, time, and more! Learn how to use a sun dial! This exciting, Spanish-translated title will engage readers as they improve their measurement and STEM skills, solving fun practice problems.
Learn how estimation and approximation theory can be helpful when natural disasters strike! This informative title 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 title teaches 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 text, STEM themes, and an accessible glossary, will keep readers engaged and will re-enforce the importance of mathematics.
Using examples from some of the most popular Olympic sports, this captivating title will have readers excited and eager to learn all they can about telling time and timing accuracy! Vivid photos and a colorful timeline combine with easy-to-read text, STEM topics, and mathematical charts and graphs to give readers an inside look into sports technology while providing opportunities to practice time measurement. With the accessible glossary, index, and step-by-step instructions, readers will have all the tools they need!
Practice measurement while learning about marine ecology and life in the ocean layers! There are so many animals living in the vast oceans of our planet! Not only does this title teach readers how to measure marine life by grams, feet, inches, and other similar units of measurement, but it teaches them how to measure ocean water using Celsius and Fahrenheit. Using familiar and unfamiliar units of measurement in an unfamiliar territory challenges readers to expand their measurement and STEM skills. Exciting images, simple practice problems, easy-to-read text, clear mathematical charts and diagrams, and an accessible glossary all help children advance their mathematical skills.
Find three-dimensional shapes while learning about architecture and historic architects! 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 skills and STEM skills.
Practice multiplication, division, and fractions while learning all about bread! Readers can apply multiplication, division, numbers and operations, and STEM skills throughout this book with the help of practice problems. With an accessible glossary, vibrant images, clear mathematical diagrams, a historic timeline, and easy-to-read text, this book will engage readers and show them how to apply mathematics to their daily lives--even to what they eat!
Learn the basics of measuring time in this engaging title! Review the history of time measurement, seeing many ways people have measured time in the past and continue to today! In the past, people used sundials, water clocks, and sandglasses to measure time. Now, we have very accurate and widely used units of time, like months, days, and years. Learn all about units of measurement, time zones, daylight savings time, and STEM themes! Vibrant images, simple practice problems, and helpful mathematical diagrams simplify time measurement so readers will feel more confident measuring time in their daily lives.
This appealing biography will have children engaged and inspired as they learn about Gregor Mendel and his discovery of how genetics works. The supportive text, accessible glossary, and helpful index work in conjunction with the intriguing facts and alluring images to provide readers with an interesting look at such topics as DNA, genetics, alleles, dominant and recessive genes, Mendel's Law of Heredity, and more! A stimulating lab activity is featured to further excite readers about the fascinating world of genetics!
Jane Goodall is the world's leading authority on chimpanzees. This inspiring biography will have readers engaged and delighted as they learn about Goodall's life as a primatologist amongst the chimps and how her incredible research changed the way scientists view these amazing animals. Through vibrant photos, captivating facts, and easy-to-read text, readers will discover such topics as ethology, extinction, field research, DNA, and genes, as well as the various types of apes--from orangutans to gorillas. A captivating hands-on lab activity is featured to encourage readers to explore other aspects of science!
George Washington Carver was a skilled botanist who became famous for his work with peanuts and other plants. Readers will discover the captivating life of this incredible scientist in this engaging scientific biography. Using colorful photos and graphs, children will learn why Carver was known as "The Plant Doctor" as a child and how his work with peanuts, sweet potatoes, and pecans helped change the way people used plants! The helpful glossary and index aid in better understanding of the content, while a simple, interesting experiment leaves children engaged and excited to learn more!
Explore the various types of ecosystems and biomes in this fascinating title that uses bright images, engaging charts and graphs, intriguing facts, and easy-to-read text to captivate readers from beginning to end! Readers will be enthralled as they learn about such ecosystems and biomes as the tundra, grassland, desert, temperate forests, rainforests, and even riparian and pelagic biomes. A glossary and index are included to aid in readers' further understanding of the content while an engaging and exciting experiment is featured to keep children delighted and interested!
Ecologists want to know how things fit together in the natural world. This enlightening book will give readers a chance to learn about some of the ecologists who have made big impacts on the world of science and ecology. The captivating facts, helpful sidebars, colorful images and charts, and easy-to-read text work together to create an engaging reading experience as children learn about such ecologists as John Woodward, Aldo Leopold, Ruth Patrick, Eugene Odum, Jane Lubchenco, Neo Martinez, and Marie Lynn Miranda. Featuring a simple, hands-on lab activity, this book will have readers captivated and eager to learn more!
Pasteurization is used on many foods and drinks, including milk and yogurt! This engaging biography introduces readers to the scientist who first began pasteurization--Louis Pasteur. Featuring vibrant images, easy-to-read text, and intriguing facts, readers will discover the incredible accomplishments of Pasteur and how he dedicated his life to studying various molds, bacteria, and yeast to change science forever. Readers will be encouraged to discover even more through a simple and captivating experiment.