5th Grade Optical Illusions

Hey 5th grade scientists, You have been working on optical illusions for our science fair. Watch the following videos that will help you understand why optical illusions work. Watch them in the order they are listed.

• Can you trust your eyes?                   
  
• How do optical illusions work?   
• Illusions
• Trick your brain.
• Awesome illusions
• TedTalk

Angle Practice

Hey 5th Grade Geometry Experts, Check out these fun sites for angle practice - How to Measure Angles  Measuring Angles Alien Angles - Finding Angle Measurerments  - Identifying Angles   Angle Practice