Los ciclos de vida de los anfibios (Amphibian Life Cycles)

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats and failures like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging, Spanish-translated nonfiction title. This book features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematics skills to keep readers active and engaged.

Tom es un tortuguito gris al que todos llaman lento. Cansado de esta situación, después de hablar con la caracola Pita, cambia poquito a poco su actitud.... Sin darse cuenta algo se transforma en él y así, en los demás también. Una historia simple y tierna para hablar con los más pequeños de aceptación, diversidad y empatía.

Our senses help us discover things at the beach. Learn what you can hear, see, smell, and touch at the beach. Paired to the fiction title Wally and Molly Go to the Beach.

In the United States, the ability to take informed action is becoming increasingly necessary, and difficult. This book delves into the importance of being informed and explains how not all sources of information are equal. Readers are introduced to the scientific method as a way of testing information for credibility. Students will also learn how to turn credible information into action by forming groups, protesting, contacting elected representatives, and possibly even running for office themselves someday.