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"Introduction Joan Lucariello, PhD, City University of New York Students do not come to school as blank slates to be filled with instruction. Rather, they come to school with considerable knowledge, some correct and some not. Either way, that knowledge is based on intuition, every-day experience, as well as what they have been taught in other settings. Teachers and researchers generally refer to preinstructional knowledge as preconceptions. Since a considerable amount of our knowledge is organized by subject matter (mathematics, science, etc.), so too are our preconceptions. Before beginning instruction on any new topic, teachers need to know their students' preconceptions because learning, and therefore instruction itself, varies depending on whether students' preconceptions agree with the concepts being taught or contradict those concepts. When preconceptions are consistent with the concepts in the assigned curriculum, student preconceptions are called anchoring conceptions. Learning, in such cases, is much easier. It becomes a matter of conceptual growth, enrichment, or adding to student knowledge. More often, teachers find themselves teaching concepts that are difficult for their students to learn because students' preconceptions are inconsistent with the concepts being taught. In these cases, preconceptions are termed alternative conceptions or misconceptions."

"This is our first year of Bring Your Own Device (BYOD), and boy, did the students bring it. They brought it all! We have iPads, Surface RT and Pro, iPhones, Droids, Chromebooks, Macs, and PC laptops. Here's my current thinking. Please share yours in the comments section below. "

I am recommending this for the video making tips, which I think are good, the MOOC talk is sort of out of date

"As you can see below, everything you need to integrate technology into your work is there for you and organized into different categories. I did this work today because a lot of great stuff is buried inside this blog and it would take you forever to sift through it to find it . This way , I think, you will have a user friendly navigation to access anything you want. Make sure you book mark this page because the categories below will be expanding over time so don't miss my future postings. Enjoy "

" Make science lessons so captivating that students tell their friends. Discover the best video clips, activity ideas, and lesson hooks to capture your students' attention and make your lesson unforgettable. Browse every topic taught in middle school & high school science"

I think I need to use the mother ship to see the tiles, the LEM (my iPad) doesn't want to transmit pictures, yet!

"10 terrific science based Pinterest boards and Pinners I really appreciate the visual aspect of Pinterest over other social media sites. With Pinterest, one look at an appealing image and you want to know more, which makes it tailor made for certain content areas such as science. Pictures of nature, weather phenomenon, and outer space are often some of the most impressive image you can find on Pinterest. Beyond the amazing pictures, there is a great deal of useful information to be found."