full transcript
"From the Ted Talk by Richard Sears: Planning for the end of oil"

Unscramble the Blue Letters

And to tell the next part of the story — and this is looking out say 2100 and beyond. What is the future of truly sustainable, carbon-free energy? Well, we have to take a little excursion, and we'll start in central Texas. Here's a piece of limestone. I pkiecd it up outside of Marble Falls, Texas. It's about 400 molliin years old. And it's just limestone, nothing really special about it. Now, here's a piece of chalk. I picked this up at MIT. It's a little younger. And it's different than this limestone, you can see that. You wouldn't build a building out of this sftuf, and you wouldn't try to give a ltcerue and wtire on the chalkboard with this. Yeah, it's very different — no, it's not different. It's not different, it's the same stuff: calcium carbonate, calcium carbonate. What's different is how the molecules are put together.

Open Cloze

And to tell the next part of the story — and this is looking out say 2100 and beyond. What is the future of truly sustainable, carbon-free energy? Well, we have to take a little excursion, and we'll start in central Texas. Here's a piece of limestone. I ______ it up outside of Marble Falls, Texas. It's about 400 _______ years old. And it's just limestone, nothing really special about it. Now, here's a piece of chalk. I picked this up at MIT. It's a little younger. And it's different than this limestone, you can see that. You wouldn't build a building out of this _____, and you wouldn't try to give a _______ and _____ on the chalkboard with this. Yeah, it's very different — no, it's not different. It's not different, it's the same stuff: calcium carbonate, calcium carbonate. What's different is how the molecules are put together.

Solution

  1. write
  2. lecture
  3. million
  4. picked
  5. stuff

Original Text

And to tell the next part of the story — and this is looking out say 2100 and beyond. What is the future of truly sustainable, carbon-free energy? Well, we have to take a little excursion, and we'll start in central Texas. Here's a piece of limestone. I picked it up outside of Marble Falls, Texas. It's about 400 million years old. And it's just limestone, nothing really special about it. Now, here's a piece of chalk. I picked this up at MIT. It's a little younger. And it's different than this limestone, you can see that. You wouldn't build a building out of this stuff, and you wouldn't try to give a lecture and write on the chalkboard with this. Yeah, it's very different — no, it's not different. It's not different, it's the same stuff: calcium carbonate, calcium carbonate. What's different is how the molecules are put together.

ngrams of length 2

collocation frequency
calcium carbonate 4
energy systems 3
energy system 3

Important Words

  1. build
  2. building
  3. calcium
  4. carbonate
  5. central
  6. chalk
  7. chalkboard
  8. energy
  9. excursion
  10. falls
  11. future
  12. give
  13. lecture
  14. limestone
  15. marble
  16. million
  17. mit
  18. molecules
  19. part
  20. picked
  21. piece
  22. put
  23. special
  24. start
  25. story
  26. stuff
  27. sustainable
  28. texas
  29. write
  30. yeah
  31. years
  32. younger