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"This instructable will show you how to build a stand for about $10 that will transform your smartphone into a powerful digital microscope. This DIY conversion stand is more than capable of functioning in an actual laboratory setting. With magnification levels as high as 175x, plant cells and their nuclei are easily observed!  In addition to allowing the observation of cells, this setup also produces stunning macro photography."

At this web site you will find diagnostic instructional tools for middle and high school teachers and students. These tools, which include web-served assessments, are aligned with National Standards and Benchmarks in science and mathematics. Resources in this project have been developed and tested by teachers and are based on research into the teaching and learning of math and science.

"Follow these instructions to build your own International Space Station model."

Instructional

One of my foundational rules of classroom engagement is simply this: never be the first one to open your mouth and start talking about any topic. Twenty years in the classroom taught me that one. Never assume. Never take prior knowledge for granted. Listen first, then act. Never presume to know what the students in front of you are capable of. They'll show you if you are bold enough to listen.