-Rachel's Challenge.Rachel's Challenge is the most powerful intervention I have seen in 40 years of working in education. - Dr. Robert Marzano--The DuPont Challenge.IMPORTANT PROGRAM MESSAGE Effective immediately, The DuPont Challenge Science Writing Competition is discontinued. For the last 30 years, DuPont has been the proud ...--Ice Bucket Challenge - Wikipedia.The Ice Bucket Challenge, sometimes called the ALS Ice Bucket Challenge, is an activity involving the dumping of a bucket of ice and water over a person's head ...--http://sciencenetlinks.com/interactives/moon/moon_challenge/moon_challenge.html.--Home - Simon Wednesday Challenge Blog.Hi all and welcome to another week on the Simon Says Stamp Wednesday Challenge. Thank you for joining us for the Summer Sunshine Challenge and we hope you will all ...--Challenge | FIRST LEGO League.Every year, FIRST ® LEGO League releases a Challenge, which is based on a real-world scientific topic. Each Challenge has three parts: the Robot Game, the Project ...--National Bike Challenge.The National Bike Challenge is a nationwide event uniting thousands of current bicyclists—and encouraging countless new riders.--Home - The Challenge.The Challenge Network (TCN) was founded in 2009 with the mission to connect and inspire people to strengthen their communities. Our programmes aim to create a rite of ...--I am the diva - Certified Zentangle Teacher (CZT®).Before we get to this week's challenge i just want to let you all know that, as i've been known to do, i will be taking the summer off to frolic with my kiddos.--Netflix Prize: Home.The Netflix Prize sought to substantially improve the accuracy of predictions about how much someone is going to enjoy a movie based on their movie preferences.-