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.
Oceans cover 70 percent of the Earth's surface, providing students with a variety of plant and animal life to learn about. An ocean biome includes the saltwater below the waves and everything on, above, and near the surface. Students will also learn about the beach, tides, cliffs, bays, coastlines, coral reefs, and tide pools.
This book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides.
Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This book concludes with images of the damage and destruction that earthquakes can cause.
Images of an erupting volcano can be mesmerizing. Readers may be surprised to learn that volcanoes erupt every day. Some erupt constantly, while others lie dormant for years or even centuries. Through engaging text and brilliant photos, readers learn what happens beneath the Earth to cause a volcanic eruption and the different structures beneath the Earth that cause new land to form.
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.
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.
Floods and blizzards may be very different, but they do have some things in common. In this book, readers will discover they have one vital ingredient in common: water. Readers will learn the powerful forces of water as it pertains to floods and blizzards. They also discover that although these two forces of nature can cause difficulties for people, they are nature's way of cleaning up and re-nourishing the land.
Perhaps nothing is more frightening than seeing a forest fire rage out of control. Sometimes, however, fires are set intentionally to benefit the environment. Readers will learn what fire is, how it burns, and how fires can both help and harm the areas they affect.
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 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.
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 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.
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.
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 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.
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.
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.
Practice measurement while learning all about sharks! These exciting creatures will fascinate children as they improve their mathematical and STEM skills, using familiar units of measurement to measure sharks and their ocean environment. With exciting images, simple practice problems, easy-to-read text, clear mathematical charts and diagrams, and an accessible glossary, this title will leave readers more confident in their measurement skills, encouraging them to measure things in their daily lives as well!
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.
Explore estimation theory and geophysical predictions by learning about seismologists, volcanologists, and meteorologists! This exciting title 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. Readers can use sample problems to practice estimation with the help of easy-to-read text, clear mathematical charts and diagrams, and an accessible glossary. This title encourages children to improve their problem solving and STEM skills.