¿Sabías que hay cerca de 3000 tipos de ciempiés? Aprende más sobre ellos en este libro de la serie Criaturas rastreras.
Compare and contrast the different long-necked dinosaurs to see which ones were the fastest, strongest, and smartest.
Compare and contrast the different horned dinosaurs to see which ones were the fastest, strongest, and smartest.
Explicación básica y sencilla de los pasos a seguir en el método científico.
En esta colección, explora la geología y las ciencias de la Tierra con impresionantes ilustraciones en cada libro.
Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!
Practice measurement, unit conversion, and algebraic thinking while learning all about sharks in this Spanish-translated nonfiction e-book! From dwarf dogfish to whale sharks, Spanish readers will be fascinated by these marine creatures as they improve their mathematical and STEM skills. Measurements and various units for length, weight, speed, and even the amount of liquid consumed by a whale shark, are concepts addressed in this easy-to-read informational text. With exciting images, simple practice problems, clear mathematical charts and diagrams, and text features such as a glossary and index, this e-book will leave readers more confident in their measurement skills, encouraging them to measure things in their daily lives as well!
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.
Take an in depth look at astronomy and space in this science encyclopedia.
En esta colección, explora la geología y las ciencias de la Tierra con impresionantes ilustraciones en cada libro.
En el libro se explica cómo funciona el sistema digestivo y cómo está adaptado en personas y animales.
Examine how the fossils document the appearance, diversification, and extinction of many life forms.
Dramatic photographs of spewing and flowing lava will capture the attention of any child. In this fantastic book, children will be excited to learn what a volcano is and what makes it erupt. Simple explanations describe the different kinds of volcanoes, including cinder, cone-shaped, shield, and composite as well as the different kinds of lava and the land formations they create on land and under the ocean. Other topics include the reason volcanoes often erupt during earthquakes, why giant tsunami waves are sometimes created by underwater earthquakes, and how volcanoes are studied in order to predict and prepare for eruptions. Children will also enjoy making their own volcano out of household materials.
This magnificent book uses beautiful photography to help young children understand that oceans are a type of habitat or place in nature where plants and animals live. Simple text explains why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Other topics such as photosynthesis, tide pools, and coral reefs are briefly and simply explained. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
Why do people need rivers? What causes rivers to flood? These are just a few of the questions answered by this fascinating introduction to rivers by Bobbie Kalman. Topics include the paths of rivers, how rivers carve through rocks, types of rivers, waterfalls, headwaters, tributaries, estuaries, deltas, fiords, river plants and animals, people and rivers, and famous rivers.
In this fascinating book by Bobbie Kalman, children will learn about how mountains and islands form from volcanoes, how wind and rivers create canyons, how rivers and streams create underground caves, how ocean waves shape coasts, and how glaciers make valleys. They will enjoy looking for rock formations in the shapes of animals, trees, and even ghosts!
Coasts are areas of land next to oceans. Coasts can be sandy or rocky and have landforms such as cliffs, sea stacks, caves, and arches. Coasts can be next to open oceans or be sheltered in bays or coves. In this beautifully photographed book, Bobbie Kalman takes children on a tour of different coasts, where they can ride some breathtaking ocean waves or meet underwater animals that live in nearby coral reefs. Children will also be introduced to some amazing coastal cities and learn about famous coastal rock formations.
This extraordinary book shows in a simple way how the Sun's light and warmth affect Earth. Children will be amazed to learn that the Sun is actually a star, and that its position and distance from the Earth cause day and night as well as changing weather and the seasons.
En el libro aprenderás cuáles son las partículas más pequeñas de todo lo que hay a nuestro alrededor.
En el libro se explica qué son los huracanas, los efectos devastadores que pueden tener, las zonas de peligro y cómo los expertos persiguen a estas feroces tormentas
En el libro se explica cómo es el suelo; comenta sus nutrientes, materia orgánica y los idferentes tipos de suelo.
Libro que trata sobre las características de la luz, sus propiedades y los beneficios que tiene para el ser humano.
Students will learn about the latest, cutting edge technology in medicine today - how this technology can diagnose disease, treat those diseases, and where medical technology might lead us in the future.
