Los estados de la materia — Los gases

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Maya va en primer a o y le han dejado de tarea pintar en su cuaderno su animal favorito. Pero Maya tiene tantos animales favoritos que no sabe cu l de todos pintar. Hasta que, de pronto, se le ocurre una idea maravillosa.

An award-winning, educator-approved first book on birds. In this simple volume, educator and author Cathryn Sill uses clear, easy-to-understand language to teach children what birds are, what they do, and how they live. Noted wildlife illustrator John Sill provides beautifully detailed, realistic paintings to showcase the birds' diverse and natural worlds, and an afterword provides more details about each bird and inspires further learning.

Do you love playing tricks on your friends? Stump them with a mystery smell balloon! Just follow the simple steps inside this book.

This book introduces you to giraffes, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.