Hacia un mundo verde

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Ver sonreír a los niños y niñas es una bendición. Verlos contentos y disfrutando de la lectura es el mejor regalo para un padre o una madre. Mejor aún, que ellos mismos puedan realizar sus propias lecturas y aprecien la vida a través de personajes simpáticos como Rufina gallina, Tija la lagartija o el Señor Sapito. Deseo de todo corazón que puedan disfrutar de este libro con toda la familia.

Winter, spring, summer, and fall — what causes them? Let's explore Earth's four seasons to find out! The Mi Mundo (My World) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.

Few natural forces seem as much like magic as magnets. Perhaps that’s why magnets are so fun! Young scientists will love learning about amazing magnets, both natural and man-made. They’ll discover how magnetism is harnessed to help us in many ways. This STEM-supportive volume contains comprehensible text and photographs of students and scientists utilizing magnets. It also includes a simple, fun concluding activity to encourage readers to use this super science tool themselves.

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.