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.

These titles look at many of the animals typically found in zoos, covering such topics as appearance, behavior, and babies. Vivid photographs compare the habitat and diet of each animal, both in the wild and the zoo.

This book describes how the activity of attending a baseball game requires using math for keeping score.

Existen los fantasmas? ¡Viaja al medio oeste de Estados Unidos y deci ́delo tu ́! Explora los rincones de la mansio ́n Lemp, atraviesa el cementerio de Bachelor's Grove y recorre el castillo de Franklin. ¡Te espera una aventura espeluznante!

Who wants new pants? Not this little boy! He wants to keep his old, worn, torn, too-small pants. His mom does not agree.