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Esme's Explorium eye quiz
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Esme's Explorium eye quiz

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  • 1. The Eye Quiz Designed by Esme Mirzoeff Start
  • 2. Welcome to the eye quiz! You will be asked different questions, try as hard as you can to get them right. Your brain MUST be switched on! Click here to switch on your brain.
  • 3. Your brain is now switched on! Next
  • 4. A Question 1 What is the white part in your eye called? B C Iris Retina Sclera Menu Menu C A B
  • 5. WELL DONE! Menu The sclera is the white outer coating of the eye More info
  • 6. The sclera The sclera is the protective coat of the eye It is thinner in children and thicker in adults There are six muscles around the sclera. They are connected to it and control the movement of the eye The optic nerve is joined to the sclera at the back of the eye. Next
  • 7. Oops, try again. Try again Menu
  • 8. Question 2 Why do you blink? C B A To save energy To keep your eyes moist So your brain has time to process images Menu Menu C B A
  • 9. WELL DONE! You blink to keep your eyes moist Menu More info
  • 10. Blinking 3 1 2 4 You normally blink 10,000 times a day The average length of a blink is 100 to 400 milliseconds When you are nervous you blink a lot The eyes on tortoises and hamsters blink independently Next question
  • 11. Oops, try again. Menu Try again
  • 12. Question 3True or false? When your eye first receives an image, the image is upside down. False True Menu Menu
  • 13. WELL DONE! Menu When your eye first gets an image, the image is upside down More info
  • 14. The lens and the brain Light comes into the eye and the lens refracts the rays of light which flips the image upside down onto the retina. The image is then sent to the brain and gets flipped back the right way up again. You would think it would take ages, but actually it's as quick as a blink! Next question
  • 15. Oops, try again. MenuTry again
  • 16. Question 4 What happens to your pupil when you look at something bright? C B A It gets smaller It gets bigger They change colour Menu Menu C B A
  • 17. WELL DONE! Menu That's right, when you look at something bright your pupil gets smaller. More info
  • 18. Oops, try again. Menu Try again
  • 19. Your pupils get smaller to protect your retina from light. Your iris is a muscle which controls how small or big your pupils get. Next questi on Exit Menu
  • 20. Question4 Do all animals have eyes? B C A Only humans have eyes that can actually see things. No Of course they do Menu Menu A C B
  • 21. WELL DONE! Menu Some animals live in caves so dark that eyes would be completely useless More info
  • 22. They have evolved over time so that they use their other senses more instead of eyesight Next question The Kentucky Cave Shrimp The Cave Crayfish The Brazilian Blind Characid Click on one of these to find out more
  • 23. The Kentucky Cave Shrimp The Kentucky Cave Shrimp is eyeless and transparent. They live in a cave and are endangered due to dams and canals above the ground which affects the water flow. They are this long Back
  • 24. The Cave Crayfish Cave Crayfish can live up to 75 years! They live in only the United States and there are 40 different species of them. They can be this long. Back
  • 25. The Brazilian Blind Characid The Brazilian Blind Characid is related to the piranha. The are found in one 15.5 mile aquifer and are very, very endangered. Back
  • 26. Oops, try again. Menu Try again
  • 27. Question 5 What is the optic nerve? It is a tube which runs around your body to collect water for your eyes. It is a nerve which takes information from your eye to your brain. It is a sensor above your eyelid which senses when you need to blink A A B CC B Menu Menu
  • 28. The optic nerve connects the eye with the brain. Your eyes see the image then send it to the brain. Your brain then works out what the image is using its memory. MenuNext question
  • 29. WELL DONE! Menu More info on the optic nerve The optic nerve
  • 30. Oops, try again. Menu Try again
  • 31. Question 6 Menu Menu You have 40 features unique to you on your fingers. How many do you have on your eye? 117 266 28 C B A C B A
  • 32. WELL DONE! Menu 266 More info on eye prints
  • 33. Do you reckon eye scans will eye-dentify robbers in the future? Menu Next NoYes
  • 34. Yes So do eye! Next
  • 35. No But surely if your fingers only have 40 features unique to them and your eyes have 266 then it must be a better way to eye- dentify people? Next
  • 36. Oops, try again. Menu Try again
  • 37. Thank you for doing THE EYE QUIZ! Menu