The Disaster that Wiped Out Dinosaurs

I. What do you know about how dinosaurs became extinct?

II. Check the meaning of these words with your partner. Then match the words to the definitions:

 seismic waves   /   ejector cloud.   /    volts of static electricity     /     electrical storm

  1. to strike
  2. to deflect
  3. to shake
  4. to ripple
  5. ground
  6. to attempt
  7. neighbouring
  8. to take shelter
  9. unrelenting
  10. hail
  11. mist
 a. to move in small waves

b. to protect themselves

c. to hit someone or something

d. thin fog

e. the surface of the earth

f. to change direction

g. small, hard balls of ice that fall from the sky like rain

h. to try to do something

i. near or next to somewhere

j. to make quick, short movements from side to side or up and down

k. extremely determined; never becoming weaker

III. Watch this video from the Science Channel that brings to life the asteroid striking earth and the aftermath. Answer the following questions:

  1. To what magnitude does the earth shake when the asteroid strikes?

2. What do animals do when the earth starts shaking?

3. At what speed does the ejector cloud approach?

4. What temperature does the air reach in Mongolia?

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