How Do You Measure Time?

A thoughtful discussion of violence in schools, complete with examples of incidents and suggestions for coping.

Bienvenido al encantador mundo de "Materia Oscura y Sueños Nocturnos". En este cautivador viaje, nos embarcaremos en una exploración de los aspectos misteriosos e intrigantes del universo que han cautivado la imaginación de científicos y soñadores por igual. El universo, con todas sus maravillas celestiales, guarda innumerables secretos esperando ser revelados. Entre ellos, la materia oscura y la energía oscura se erigen como entidades enigmáticas, desafiando nuestra comprensión del cosmos. A medida que nos adentramos en las profundidades del espacio, nos sumergiremos en los reinos...

Carlitos and the rest of the Peanuts gang help present a host of facts about how people live in various environments around the world.

Identify three-dimensional shapes all around the world in this Spanish-translated e-Book! Figuras en nuestro mundo (Shapes in Our World) gives readers practice identifying familiar shapes like cones, cylinders, pentagons, polygons, and prisms, while familiarizing them with STEM themes and more advanced geometry concepts. Children will learn more about vertices, symmetry, and bases. With each shape, this book gives readers information about an example of the shape, be it a building, a honeycomb, or a tree trunk! With an accessible glossary, clear mathematical diagrams, practical examples, and...