Recopilación de datos (Collecting Data) (Spanish Version)

A scientific look at the natural processes that create waterfalls, and where they are likely to form.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

Surveys the life of Sojourner Truth, who escaped from slavery and became famous as an advocate of equal rights for women and blacks.

Desarrollar las facultades cognitivas generales de los niños La influencia de la obra de Piaget Adquirir los conocimientos y los métodos de la ciencia Científicos y educación científica El debate conceptos versus procedimientos El nature study Aprender a investigar e investigar para comprender Desarrollar la comprensión científica La ciencia: una actividad que genera conocimiento El ámbito de los datos, los hechos y las evidencias Observar Experimentar Analizar datos y establecer conclusiones Las habilidades de investigación de los niños y niñas Las explicaciones científicas como...