Group items tagged

"Design Squad from PBS Kids features a great collection of hands-on activities for elementary and middle school students. The activities are designed to help students explore engineering concepts. The collection of activities is divided into ten categories. The categories are technology, structures, sports, space, sound, simple machines, health, green, energy, and electricity. Each activity contains a materials list and directions. Some of the activities also have demonstration videos."

"Though it may not get the attention that, say, the pyramids of Egypt or the Empire State Building get, the Hoover Dam is one of the unheralded wonders of the modern world, a massive edifice of over 3.25 million cubic yards of concrete and 582 miles of cooling pipes that provides the West with 4.2 billion kilowatts of energy a year. The monetary cost was nearly 50 million in Depression-era dollars for a project of unprecedented size in the U.S., but the human cost was more dear -- at least 112 people died building the dam. July 7, 2010 marked the 79th anniversary of the start of the project, a huge chapter in the taming of the American West"

"It couldn't be easier-- Harness the power of video in conveying emotion, tone, and energy while leveraging the flexibility of an email-like system, where each party can send and view messages at their convenience. Sending video messages with Eyejot is as easy as sending email. There is no software to download or install. Just login to your account, record or upload your video, and send! The recipient gets a friendly email message telling them they have a new video message, and they can watch it with a single click. No registration required. "

educational games built around science and social studies concepts, arranged into the following categories: peace games, war games, nation state/ politics games, environment games, climate change, energy games, and food games.