Puntos y posiciones

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

From Stonehenge to the Bermuda Triangle, there are many places on Earth that remain a mystery to scientists! Readers will discover these curious places--and more!--as they move through this fascinating, Spanish-translated nonfiction title. This mysterious book features detailed images, informational text, and stimulating facts and theories in conjunction with upper-level features, such as chapter format, a glossary of terms, and an index.

Introduces young readers to the tyrannosaurus rex, examining its physical characteristics, eating habits, and extinction.

Parte de la exitosa serie Little People, BIG DREAMS, Marie Curie cuenta la inspiradora historia de uno de los científicos más famosos del mundo / Part of the bestselling Little People, BIG DREAMS series, Marie Curie tells the inspiring story of one of the world's most famous scientists.