There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.
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.
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 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 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!
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.
Explore the lives and work of incredible cell biologists in this captivating book! From Gregor Mendel to Rita Levi-Montalcini, Anton van Leeuwenhoek to August Weismann, readers will be amazed at the things these incredible scientists discovered! Single-celled organisms, mitosis, dominant and recessive genes, stem cells, and cloning are just some of the topics that readers will explore as they move through this book that features plenty of vivid, detailed images, stimulating facts, captivating sidebars, and easy-to-read text. An engaging lab activity is featured to further delight and captivate readers.
Antoine Lavoisier is often known as the "Founder of Modern Chemistry". In this captivating biography, readers will discover how Lavoisier's studying and work led to his discovery of the Conservation of Mass, naming 33 of the elements, being the first person to discover the existence of oxygen, and creating a way of naming compounds! The intriguing facts and stunning images work together with the easy-to-read text and engaging hands-on lab activity to keep readers interested and eager to learn!
In this adventurous title, readers learn all about plate tectonics! A brief history of Alfred Wegener's theory of continental drift introduces readers to the development of plate tectonics and how it helped form the Earth we know today. Through colorful images, helpful charts and graphs, and easy-to-read text, readers will discover such fascinating topics as magnetic pole reversal, divergent and convergent plate boundaries, the ocean-continental division, and the San Andreas Fault. A captivating lab activity is featured to encourage children to further explore geology!
Come explore the wonders of space in this intriguing title that uses numerous vivid images, fascinating facts, and easy-to-read text to both delight and engage readers! From satellites to space food, observatories to Sputnik, readers will learn all about space and the various ways people have explored and learned about astronomy for years! A creative hands-on lab activity is featured to encourage children to explore astronomy even further!
Mohammed Karaji, Edmond Halley, Henry Darcy, and Pelageia Polubarinova-Kochina are some of the most important water scientists highlighted in this nonfiction book. Readers will love the vivid images, easy-to-read text, helpful charts and graphs, and accessible glossary and index. Featuring a captivating hands-on lab activity, this book will leave readers eager and excited to learn more!
Explore the water cycle in this fascinating book! Readers will learn the various steps of the water cycle--including evaporation, condensation, and precipitation. Featuring plenty of stunning images, colorful charts and graphs, accessible glossary and index, and easy-to-read text, readers will learn about different forms and types of water such as rain, sleet, snow, freshwater, and saltwater. Readers will also learn about clouds, the different types, how they are formed, and what role they play in the water cycle. An engaging hands-on activity allows readers to explore weather and science even further!
