Primary colors 2 (audio only)This exciting four-level course is packed with fun activities. Right from the start, children are fully involved in thinking for themselves, doing things themselves, and making things themselves.
"Reading" Practice book introduces children to a wide range of both informative and humorous text types including fiction, fact and poetry. The structure of each unit follows the same pattern, making the course accessible and easy to use for both teachers and pupils.
TTC Video - Experiencing Hubble - Understanding the Greatest Images of the Universe
A few hundred miles above Earth, there is a remarkable telescope with a crystal-clear view across the universe. For two decades, the Hubble Space Telescope has been amassing discoveries that rival those of history's greatest scientists and explorers, making it the most important and productive scientific instrument ever built.
The Making of the Atomic Bomb(Audiobook)This is the complete story of how the bomb was developed. It is told in rich, human, political, and scientific detail, from the turn-of-the-century discovery of the vast energy locked inside the atom to the dropping of the first bombs on Japan. Few great discoveries have evolved so swiftly -- or have been so misunderstood. From the theoretical discussions of nuclear energy to the bright glare of Trinity there was a span of hardly more than twenty-five years.