Experimentos sencillos sobre el tiempo

Este libro explora que es lo que sucede dentro y fuera de nuestro mundo, desde un volcán incadescente al Polo Norte helado.

Readers learn about this famous explorer who crossed the Atlantic Ocean to reach the Americas. Bright, engaging, colorful photographs and illustrations will thrill readers.

Need it or want it — what's the difference? Needs are things people cannot live without, such as food, water, and shelter. Let's explore the differences between the concepts of needs and wants! The Me Pregunto (I Wonder) 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.

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.