What started out as Sal making a few algebra videos for his cousins has grown to over 2,100 videos and 100 self-paced exercises and assessments covering everything from arithmetic to physics, finance, and history.
Enjoy examples of Twig's outstanding Science films on Biology Chemistry Physics Earth Science
Twig Films are divided into:
Core Films which highlight the key curriculum learning points of a topic and
Context Films which encourage cross-curricular learning."
A set of instructional pages written in an easy-to-understand language and complemented by graphics and Check Your Understanding sections. An ideal starting location for those grasping for understanding or searching for answers.
"The iPad is not a PC. As obvious as that sounds, if the only computer you've ever used was mainly a box on a desk, or ran a desktop operating system with a physical keyboard attached, its only natural that the ways you attempt to use a new device will be dictated by the old paradigm. Instead of just sticking with such an approach, this book looks at the different ways that the PC and iPad have been designed to work, and then detail new ways that the iPad can be used for workflows not work. "
Interactive Science Simulations
Fun, interactive, research-based simpulations of physical phenomena from the PhET project at the University of Colorado.
"This video is an abbreviated version of [Christina Jenkins] midterm presentation on October 15, 2009. It moves the design language of PowerPoint - backgrounds, transitions, sound and animation - into a physical book. "8.5x11" examines the themes of sameness and disruption in the context of the classroom, and this presentation is an experiment in breaking presentations."