Category: Education & Reference

0

The Big Bang Theory

Description Presents proven scientific facts about the beginnings of our universe alongside questions that today’s astrophysicists work to answer. Download Links Server 1  | Server 2 (Size 8.9 MB)

0

Black Holes: The Weird Science of the Most Mysterious Objects in the Universe

Description In 2015 two powerful telescopes detected something physicists had been seeking for more than one hundred years—gravitational waves from the collision of two black holes. This announcement thrilled the scientific community. Since the eighteenth century, astronomers have predicted the existence of massive, invisible stars whose gravity would not let anything—even light—escape. In the twenty-first century, sophisticated technologies are bringing us closer to seeing black holes in action. Meet the scientists who first thought of black holes hundreds of years ago, and learn about contemporary astrophysicists whose work is radically shaping how we understand black holes, our universe, and how it originated. Download Links Server...

0

Junior Skill Builders: Spelling in 15 Minutes a Day

Description Spelling in 15 Minutes a Day makes learning spelling a breeze by presenting a small part of a task one step at a time. This tutor in a book also includes valuable memory hooks and shortcuts that help students retain what they’re learning, and includes:A pretest to help students determine where to focus their efforts, Content review, detailed lessons, and practice exercises modeled on the skills tested by standardized tests, A post-test to reveal improvement, Glossary for subject specific vocabulary Download Links Server 1  | Server 2 (Size 1.1 MB)

0

Grammar in 15 Minutes a Day: Junior Skill Buider

Description You don’t have to be an grammar genius to become a grammar pro-you can do it in just 15 minutes a day! It’s true: mastering grammar doesn’t have to take a long time . . . and it doesn’t have to be difficult! In just one month, students can gain expertise in a wide variety of common middle-school grammar challenges that will set them on the course toward success for the rest of their lives. How? Each lesson of Junior Skill Builders: Grammar in 15 Minutes a Day gives one small part of the bigger grammar situation, so that each day, students build upon...