¿Por qué hibernan los animales? (Why Animals Hibernate)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Looks at the different colors used to draw and paint artwork. Includes instructions for creating a fish using many different colors.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

The author/poet imagines all of the things a child can do, and then speculates on the many vocations the child has the option of choosing.

La cocina es un lugar excelente para que los pequeños comiencen a descubrir el mundo natural mediante la observación y la experimentación de las frutas y las verduras que comemos todos los días: ¿qué clases de semillas existen? ¿Cuántas formas pueden tener las hojas? ¿Cómo crecen los gajos de las naranjas? En forma de un diario de campo, este libro de actividades invita a los jóvenes naturalistas a responder estas preguntas y pensar en muchas otras, y los anima a cortar, manipular, secar, cultivar, fotografiar, dibujar y coleccionar (y también comer) alimentos que ya tenemos a la...