Practice the steps of cloning in this interactive animation. The breeds, various types of tools, and specific procedures are outlined in this colorful site. You'll answer a few questions at the end to show what you've learned.
Free help with algebra, geometry, trigonometry, precalculus and calculus. Over 2,00 online videos provide clear explanations of sometimes knotty concepts.
Their mission is to help transform the way math is taught and learned by focusing not only on skills but on the real-world applications of math, from sports to politics to video games to exercise.
Basically YouTube XL is a skinned version of YouTube. The interface makes it simpler to use by cutting out a lot of the clutter on the page. The advantage of losing the clutter means that there are no comments on view - you just have the videos.
A resource which includes concise background information, election results, cabinet members, presidency highlights, and some odd facts on each of the presidents. Links to biographies, historical documents, audio and video files, and other presidential sites are also included.
It includes activities for Math, English and Science. What makes it truly exceptional - at least for English Language Learners - is that all the neat exercises listed as an "Activity" on the site not only are very engaging and informative, but have subtitles which make them more accessible to English Language Learners.