Play It Safe With Your Eyes

Lesson 2, Activity 4

Lesson 2 - The Eye and How We See

Grade 3 - Grad3 4
Optical Illusions

 

 

Are the center circles the same size? a. yes b. no

 

What kind of illusion is this? a. a 3D illusion b. a distorting illusion c. a paradox illusion

 

 

 

Are the lines in the image the same height/width? a. yes b. no

 

What kind of optical illusion is this? a. a physiological illusion b. an impossible object c. a distorting illusion

 

Take a closer look at the
Cafe Wall Illusion

 

 

 

 

What kind of illusion is this? a. a distorting illusion b. a 3D illusion c. a paradox illusion

 

How many legs does the elephant have? a. 4 b. 5 c. impossible to tell

 

What kind of illusion is the elephant illusion? a. a distorting illusion b. an afterimage c. a paradox illusion

 

 

 

 

 

 

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