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http://youtu.be/fUot7XSX8uA Snowflakes are infinitely beautiful, but are they infinitely unique? Here's all the science behind Earth's favorite cold crystal. Follow the author on Twitter:... read more
Students use electrical devices every day. An essential safety component of any electrical device is the fuse. Demonstrate what it means to “blow a fuse” and show why fuses are important... read more
Humans are born with five basic senses—hearing, sight, smell, taste and touch. In this activity, students perform tests to determine the acuity of each of these senses. Click here to download the... read more
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