{
 "source": "https://peabody.kids/flashcards/fun-optical-illusions-magic",
 "id": "fun-optical-illusions-magic",
 "title": "Optical Illusions and Magic Words",
 "category": "trivia-fun",
 "subject": "Mind Tricks",
 "levels": [
  "3-5",
  "6-8",
  "9-12"
 ],
 "description": "Famous optical illusions and the words magicians use.",
 "tags": [
  "illusions",
  "magic",
  "psychology"
 ],
 "frontLabel": "Word",
 "backLabel": "Meaning",
 "cards": [
  [
   "Optical illusion",
   "A picture that tricks your eyes or brain"
  ],
  [
   "Muller-Lyer illusion",
   "Two lines look different lengths because of the arrow ends, but they are the same"
  ],
  [
   "Ponzo illusion",
   "Two same-size lines look different when placed between converging lines"
  ],
  [
   "Ebbinghaus illusion",
   "A circle looks bigger or smaller depending on the circles around it"
  ],
  [
   "Rubin vase",
   "An image that looks like a vase or two faces"
  ],
  [
   "Duck-rabbit",
   "A drawing that can look like a duck or a rabbit"
  ],
  [
   "Necker cube",
   "A line cube that seems to flip which face is in front"
  ],
  [
   "Penrose triangle",
   "An impossible triangle that cannot exist in real life"
  ],
  [
   "Penrose stairs",
   "An endless staircase that always goes up, impossible in real life"
  ],
  [
   "Cafe wall illusion",
   "Straight lines look tilted because of shifted black and white tiles"
  ],
  [
   "Hermann grid",
   "Gray dots seem to appear where white lines cross"
  ],
  [
   "Checker shadow illusion",
   "Two squares look different but are the same shade"
  ],
  [
   "Afterimage",
   "Staring at a color and looking away shows the opposite color"
  ],
  [
   "Stroop effect",
   "It is hard to say the color of ink when the word names another color"
  ],
  [
   "Troxler fading",
   "Staring makes things in your side vision fade"
  ],
  [
   "Motion illusion",
   "A still picture seems to move"
  ],
  [
   "Moon illusion",
   "The Moon looks bigger near the horizon than high in the sky"
  ],
  [
   "Mirage",
   "A trick of light that makes water seem to appear on hot ground"
  ],
  [
   "Camouflage",
   "Blending in so you are hard to see"
  ],
  [
   "Forced perspective",
   "Using distance to make something look bigger or smaller in a photo"
  ],
  [
   "Impossible object",
   "A drawing that looks real but cannot be built as drawn"
  ],
  [
   "Hidden image",
   "A picture hidden in another picture"
  ],
  [
   "Stereogram (Magic Eye)",
   "A flat picture that shows 3D shapes when you relax your eyes"
  ],
  [
   "Blind spot",
   "The small spot in your vision where the optic nerve leaves the eye"
  ],
  [
   "Persistence of vision",
   "Why a quick series of pictures looks like movement"
  ],
  [
   "Flipbook",
   "Pages of drawings that make movement when flipped fast"
  ],
  [
   "Zoetrope",
   "A spinning drum that makes pictures appear to move"
  ],
  [
   "Illusion of size",
   "Same-size objects look different because of surroundings"
  ],
  [
   "Sleight of hand",
   "Using fast, clever hand moves to fool the eye"
  ],
  [
   "Misdirection",
   "Drawing attention away from the secret move"
  ],
  [
   "Prestidigitation",
   "A fancy word for magic done with the hands"
  ],
  [
   "Illusionist",
   "A magician who performs large tricks"
  ],
  [
   "Magician's assistant",
   "A helper on stage in a trick"
  ],
  [
   "Wand",
   "A thin stick magicians wave"
  ],
  [
   "Top hat",
   "A tall hat from which rabbits seem to appear"
  ],
  [
   "Abracadabra",
   "A magic word said before a trick"
  ],
  [
   "Presto",
   "A word magicians say when the trick is done"
  ],
  [
   "Patter",
   "The words a magician says during a trick"
  ],
  [
   "The reveal",
   "The moment when the trick is shown"
  ],
  [
   "The prestige",
   "The final surprising part of a trick"
  ],
  [
   "Force",
   "When a magician makes you choose the card they want"
  ],
  [
   "Palming",
   "Hiding a small object in the palm"
  ],
  [
   "Shuffle",
   "Mixing a deck of cards"
  ],
  [
   "Card trick",
   "A trick done with playing cards"
  ],
  [
   "Coin trick",
   "A trick where a coin seems to vanish or move"
  ],
  [
   "Rope trick",
   "A trick with a rope that seems to cut and join"
  ],
  [
   "Mind reading act",
   "A show that seems to guess your thoughts"
  ],
  [
   "Houdini",
   "Harry Houdini, a famous escape artist of the early 1900s"
  ],
  [
   "Escapology",
   "The art of escaping from ropes, chains or boxes"
  ],
  [
   "Pull a rabbit out of a hat",
   "A classic magic trick image"
  ],
  [
   "Cut and restored rope",
   "A trick where the rope is cut and magically fixed"
  ],
  [
   "Linking rings",
   "A trick with metal rings that join and separate"
  ],
  [
   "Vanishing",
   "Making something seem to disappear"
  ],
  [
   "Levitation",
   "Making something seem to float"
  ],
  [
   "Fooled you!",
   "Good magicians never reveal their secrets"
  ],
  [
   "Close-up magic",
   "Tricks done right in front of people at a table"
  ],
  [
   "Stage magic",
   "Large tricks done for a big audience"
  ],
  [
   "Street magic",
   "Magic performed for people out in public"
  ]
 ]
}