Highlighters have a number of uses, from helping acknowledge important text to acting as brightly-colored markers in our favorite coloring book. Around Halloween, though, we've found an entirely different use for them. With the Black Light Secret Message experiment, you'll see that certain highlighters aren't just brightly-colored - they actually glow underneath a black light! The secret messages and floating images you'll create with this experiment are sure to create screams of joy and shrieks of excitement.
Need a mini black light? http://www.stevespanglerscience.com/product/1433
Read the full experiment at http://www.stevespanglerscience.com/experiment/black-light-secret-message
Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes
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Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes