Esme's Explorium eye quiz


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Esme's Explorium eye quiz

  1. 1. The Eye Quiz Designed by Esme Mirzoeff Start
  2. 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. 3. Your brain is now switched on! Next
  4. 4. A Question 1 What is the white part in your eye called? B C Iris Retina Sclera Menu Menu C A B
  5. 5. WELL DONE! Menu The sclera is the white outer coating of the eye More info
  6. 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. 7. Oops, try again. Try again Menu
  8. 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. 9. WELL DONE! You blink to keep your eyes moist Menu More info
  10. 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. 11. Oops, try again. Menu Try again
  12. 12. Question 3True or false? When your eye first receives an image, the image is upside down. False True Menu Menu
  13. 13. WELL DONE! Menu When your eye first gets an image, the image is upside down More info
  14. 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. 15. Oops, try again. MenuTry again
  16. 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. 17. WELL DONE! Menu That's right, when you look at something bright your pupil gets smaller. More info
  18. 18. Oops, try again. Menu Try again
  19. 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. 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. 21. WELL DONE! Menu Some animals live in caves so dark that eyes would be completely useless More info
  22. 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. 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. 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. 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. 26. Oops, try again. Menu Try again
  27. 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. 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. 29. WELL DONE! Menu More info on the optic nerve The optic nerve
  30. 30. Oops, try again. Menu Try again
  31. 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. 32. WELL DONE! Menu 266 More info on eye prints
  33. 33. Do you reckon eye scans will eye-dentify robbers in the future? Menu Next NoYes
  34. 34. Yes So do eye! Next
  35. 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. 36. Oops, try again. Menu Try again
  37. 37. Thank you for doing THE EYE QUIZ! Menu