Check out cool science kits and toys: http://www.stevespanglerscience.com/
It’s probably the world’s most baffling optical illusion. Hold one arc above the other and ask the question, “Which arc is bigger?” The bottom arc will always look bigger than the top one, yet they are actually the same size! Reverse the arcs to make the other one look bigger. What you see is not always what you get! Keep reading and we’ll let you in on some presentation ideas and stunts that will really amaze and fool your friends.
Want more experiments like this? Check out http://www.stevespanglerscience.com/product/naked-eggs-and-flying-potatoes
Sick Science™ is a trademark of Steve Spangler, inc.
© 2014 Steve Spangler Science all rights reserved
Tagged under: Steve Spangler Science,Steve Spangler,Science Magic,Fun Science Experiments,Do Yourself Science,Science For Kids,Coffee Science,Insane Science,SteveSpangler,SteveSpanglerScience,Magic,Amazing Science,Classroom Science,DIY Science,Science,Science Tricks,Optical Illusion,Magic Arcs,Sick Science,Arcs,Cool Science,Sick Science!,Incredible Science,Spangler Science,Cool Science Experiments,Cool Science Projects,At Home Experiments,At Home Science
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