full transcript
"From the Ted Talk by Rives: Reinventing the encyclopedia game"

Unscramble the Blue Letters

Now that's the Tropic of Cancer in the north and the Tropic of copcriarn in the south, that much I knew, but I was surprised to learn this little fact: Those are not cartographers' lines, like latitude or the borders between nations, they are astronomical phenomena caused by the Earth's tilt, and they cgnhae. They move; they go up, they go down. In fact, for years, the Tropic of Cancer and the topric of Capricorn have been slaedtiy drifting towards the equator at the rate of about 15 meters per year, and nobody told me that. I didn't know it. Chimborazo!

Open Cloze

Now that's the Tropic of Cancer in the north and the Tropic of _________ in the south, that much I knew, but I was surprised to learn this little fact: Those are not cartographers' lines, like latitude or the borders between nations, they are astronomical phenomena caused by the Earth's tilt, and they ______. They move; they go up, they go down. In fact, for years, the Tropic of Cancer and the ______ of Capricorn have been ________ drifting towards the equator at the rate of about 15 meters per year, and nobody told me that. I didn't know it. Chimborazo!

Solution

  1. tropic
  2. capricorn
  3. change
  4. steadily

Original Text

Now that's the Tropic of Cancer in the north and the Tropic of Capricorn in the south, that much I knew, but I was surprised to learn this little fact: Those are not cartographers' lines, like latitude or the borders between nations, they are astronomical phenomena caused by the Earth's tilt, and they change. They move; they go up, they go down. In fact, for years, the Tropic of Cancer and the Tropic of Capricorn have been steadily drifting towards the equator at the rate of about 15 meters per year, and nobody told me that. I didn't know it. Chimborazo!

ngrams of length 2

collocation frequency
sympathetic magic 4
billiard ball 4
voodoo dolls 3

Important Words

  1. astronomical
  2. borders
  3. cancer
  4. capricorn
  5. caused
  6. change
  7. drifting
  8. equator
  9. fact
  10. knew
  11. latitude
  12. learn
  13. lines
  14. meters
  15. nations
  16. north
  17. phenomena
  18. rate
  19. south
  20. steadily
  21. surprised
  22. tilt
  23. told
  24. tropic
  25. year
  26. years