Experimentos sorprendentes con la luz

"Text and photographs describe common things that are yellow, including mustard, pencils, and lemonade"--Provided by publisher.

This Spanish-translated nonfiction title gives children an in-depth look at what a career as a police officer is like. Readers will learn about various aspects of life as a police officer--from being accepted into the academy to keeping streets safe. Readers will learn what a typical day in the police academy is like as well as a day in the field as an officer. Through helpful charts and diagrams and colorful images in conjunction with informational text and stunning facts, readers discover important aspects of keeping communities safe, including what's inside the patrol car, K-9 units,...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Teaching Students About What A Democracy Is And How Our Country Was Founded On The Constitution, Which Protects Our Rights And Freedoms, Is The Main Focus In This Title. Filled With Democracy Fact Boxes Which Include Information To Reinforce The Text.