Write, simplify, and evaluate algebraic expressions to explore how quickly germs can spread! This informative title teaches children all about germs and how they spread, encouraging healthy habits, while allowing them to practice algebraic expression, exponential form, and distributive property. With eye-catching images, easy-to-read text, related practice problems, clear mathematical diagrams, STEM themes, and an accessible glossary and index, this book gives readers the necessary tools to feel comfortable writing, simplifying, and evaluating expressions!
Learn how scientists use algebraic expressions to explore the growth of amoebas, euglenas, and bacteria! This informative title challenges readers to master new mathematical concepts like algebraic expression and exponential form. After learning about the microscopic creatures that scientists study, readers can complete related practice problems to familiarize themselves with algebraic expressions. Featuring easy-to-read text, related practice problems, mathematical diagrams, STEM themes, and a glossary and index, this book gives readers the necessary tools to feel comfortable writing, simplifying, and evaluating expressions!
This vibrant science title gives readers insight into how they can form healthy habits. Be a healthier you!
This engaging title tells the story of children who start a business to help people care for their pets. As the business grows, the children use bar, circle, and line graphs as visual representations of their business. These mathematical charts and diagrams help readers understand how to best improve a business. This story not only shows children how useful clear graphs can be outside of the classroom, but encourages them to see if they can start their own responsible businesses! Through this title's fun story, vibrant images, clear mathematical diagrams, easy-to-read text, and simple practice problems, readers will be engaged and encouraged to improve their graphing and STEM skills.
Learn all about calculating volume at the aquarium! Aquarium workers have to understand volume to design the best tanks for marine animals. Volume helps them determine how much water to put in a tank and how much food to feed the animals. Readers will learn about this and more, all while practicing volume calculation and mathematical formulas in a practical and fun way! With the help of eye-catching images, easy-to-read text, simple practice problems, clear mathematical charts, and an engaging story, this text will leave readers entertained and confident in their cubic measurement and STEM skills.
Learn how builders use perimeter and area to build towns and cities! Perimeter and area are important measurements that help builders design homes, parks, and more! This charming title teaches children how cities are built, while giving them great examples to practice calculating perimeter and area, improving their mathematical skills through STEM themes. With easy-to-read text, engaging practice problems, clear mathematical diagrams, and an accessible glossary, this title gives readers everything they need to make these calculations with ease. By the end of this book, readers will feel very familiar with perimeter, area, and grid patterns.
Learn all about angles with this exciting book about basketball! Examples taken from the lively sport keep readers engaged and help them better understand geometry and STEM themes. Readers will learn about different types of angles and their qualities, familiarizing themselves with acute angles, obtuse angles, right angles, and straight angles. All of these angles have a vertex, rays, and an angle degree that children can determine with a protractor. This title encourages children to apply mathematics to other topics by teaching them about both sports and angles in one entertaining book! Vibrant images, easy-to-read text, engaging practice problems, and an accessible glossary work together to make learning about angles easy and exciting!
Learn how important data analysis is to crime scene investigations! Investigators examine data from fingerprints, blood samples, DNA samples, and lie detector tests to analyze and interpret crime scenes. This exciting title provides readers with engaging examples of data analysis and probability. Through eye-catching images, easy-to-read text, simple practice problems, and clear mathematical charts and diagrams, this title will leave readers more confident in their data analysis and STEM skills, all while showing them how the things they learn are used outside of the classroom in very important ways!
Read along as three children become crime scene investigators when pieces of their favorite playground equipment begin to disappear! The children collect data and analyze their findings, eventually catching the culprit! This exciting example of data analysis and STEM themes will keep readers engaged and show them how useful data analysis can be! With vivid images, easy-to-read text, related practice problems, mathematical charts, and an exciting story, this title makes data analysis exciting and simple for readers to use in the classroom and on their own!
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.
