¿Por qué hibernan los animales? (Why Animals Hibernate)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Mujeres, mujeres, mujeres. Apenas estamos descubriendo cuántas científicas, pintoras, escritoras, activistas, cocineras y tantas otras mujeres se han quedado sin entrar en la Historia con H mayúscula a pesar de su talento, valor y dedicación. Todavía hay muchas historias por descubrir. El colectivo Cúmulo de Tesla, conformado por mujeres (y un hombre) provenientes de muchas disciplinas, narra en este libro las andanzas de 21 mujeres y grupos de mujeres. Cada una, desde el lugar que le tocó o el que escogió —el aula, la política, la cultura o el convento— dejó huellas indelebles. ...

Book Features: • Ages 4-8, Grades PreK-2 • 16 pages, 8 inches x 8 inches • Simple, patterned Spanish text with full-color pictures • Includes comprehension questions, writing prompts, and high frequency words • Graphic organizers and photo glossary included Jump Into Learning: In Listos para las Ciencias: Puedo Saltar, preschoolers—second graders learn about the different types of animals that can jump, just like you! Science Made Fun: How high can you jump? These animals can jump, too! Young readers learn about some of their favorite animals that can jump, hop, and leap! Build...

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...

This illustrated book teaches children everything they need to know about taking care of kittens from picking one out to what to do when they get sick.