Optical Illusions: How Your Eyes Lie to You
A blind spot you never notice, faces in electrical sockets, and why two identical lines look different. Ten questions on the shortcuts your brain takes to see.
10
questions
~5 min
to play
3
question types
Free
to host
Host this quiz liveAssign as homeworkEdit a copy
Free account. Students just need the PIN.Have a game PIN?→
Questions in this quiz
Play the first 3 free. The rest stay locked until you sign up.
- Question 1 of 3
Why does each eye have a blind spot?Tap an answer
Multiple Choice · 20s
- Question 2 · unlocks after question 1
- Question 3 · unlocks after question 2
- In the Muller-Lyer illusion, two lines with arrows at the ends appear to be what?Multiple Choice · 20s
- What is the impossible triangle that cannot exist in three dimensions called? (one word is enough)Type Answer · 30s
- Why do we see very little colour at the edges of our vision?Multiple Choice · 20s
- The brain sometimes changes what you see to match what it expects.True / False · 20s
- Why did people disagree about the colours of 'the dress' photograph?Multiple Choice · 20s
- What happens if you stare at a waterfall and then look at rock?Multiple Choice · 20s
- What is the layer at the back of the eye that detects light called? (one word)Type Answer · 30s
Want to run this with your class?
Create a free account to host it live, assign it as homework, or copy it and change the questions.
Sign up free. No card needed.More Biology quizzes
This quiz in other languages
Sheelon