The Reading / Listening - Earth's Core - Level 4

We know little about the centre of Earth. Geologists believed it had just one core – a hot mass of molten rock surrounded by a rock mantle. This is a ring between the earth's crust and core. The core is 2,900 km below Earth's surface. It has a radius of 3,485 km. Scientists believe there may be a second core. A geophysicist analyzed data from a 560-km-deep earthquake. It showed the possibility of a second core at the bottom of the mantle.

The geophysicist explained what intrigued her about Earth's core. She said: "There's still a lot we don't know about it. There's a lot more we can learn by using deep earthquakes." The geophysicist explained the importance of understanding more about the core. She said: "We want to know exactly how fast the mantle flows because that influences the evolution of the entire Earth. It affects how much heat the planet retains for how long."

Try the same news story at these levels:

    Earth's Core - Level 5 or  Earth's Core - Level 6

Sources
  • https://scitechdaily.com/deep-earthquakes-reveal-shocking-secrets-of-the-inner-earth/
  • https://www.indy100.com/science-tech/earth-two-cores-scientists
  • https://www.sciencealert.com/after-a-20-year-search-scientists-have-finally-found-earths-true-innermost-core


Make sure you try all of the online activities for this reading and listening - There are dictations, multiple choice activities, drag and drop activities, sentence jumbles, which word activities, text reconstructions, spelling, gap fills and a whole lot more. Please enjoy :-)

Phrase Matching

Paragraph 1

  1. We know little
  2. Geologists believed it
  3. a hot mass of molten
  4. a ring between the earth's
  5. The core is 2,900 km below
  6. It has a radius
  7. It showed the possibility
  8. at the bottom of
  1. rock
  2. the mantle
  3. Earth's surface
  4. had just one core
  5. of 3,485 km
  6. of a second core
  7. crust and core
  8. about the centre

Paragraph 2

  1. The geophysicist explained what
  2. There's still a lot
  3. There's a lot more we
  4. understanding more
  5. We want to know exactly
  6. that influences the
  7. the entire
  8. how much heat the planet
  1. we don't know
  2. Earth
  3. how fast
  4. retains
  5. evolution
  6. intrigued her
  7. can learn
  8. about the core

Listening — Listen and fill in the gaps

We (1) ___________________ the centre of Earth. Geologists believed it had just one core – a (2) ___________________ molten rock surrounded by a rock mantle. This is a ring between the earth's (3) ___________________. The core is 2,900 km below Earth's surface. It (4) ___________________ of 3,485 km. Scientists believe there may be a second core. A geophysicist analyzed (5) ___________________ 560-km-deep earthquake. It showed the possibility of a second core at the bottom (6) ___________________.

The geophysicist explained (7) ___________________ about Earth's core. She said: "There's still a lot we don't know about it. There's a lot more we can (8) ___________________ deep earthquakes." The geophysicist (9) ___________________ of understanding more about the core. She said: "We want to know exactly how fast (10) ___________________ because that influences the evolution (11) ___________________ Earth. It affects how much heat (12) ___________________ for how long."

Put a slash (/) where the spaces are

WeknowlittleaboutthecentreofEarth.Geologistsbelievedithadjuston
ecore–ahotmassofmoltenrocksurroundedbyarockmantle.Thisisarin
gbetweentheearth'scrustandcore.Thecoreis2,900kmbelowEarth'ss
urface.Ithasaradiusof3,485km.Scientistsbelievetheremaybeasecon
dcore.Ageophysicistanalyzeddatafroma560-km-deepearthquake.I
tshowedthepossibilityofasecondcoreatthebottomofthemantle.Theg
eophysicistexplainedwhatintriguedheraboutEarth'score.Shesaid:"T
here'sstillalotwedon'tknowaboutit.There'salotmorewecanlearnbyus
ingdeepearthquakes."Thegeophysicistexplainedtheimportanceofun
derstandingmoreaboutthecore.Shesaid:"Wewanttoknowexactlyho
wfastthemantleflowsbecausethatinfluencestheevolutionoftheentire
Earth.Itaffectshowmuchheattheplanetretainsforhowlong."

Student survey

Write five GOOD questions about this topic in the table. Do this in pairs. Each student must write the questions on his / her own paper. When you have finished, interview other students. Write down their answers.

(Please look at page 12 of the PDF to see a photocopiable example of this activity.)

Discussion — Write your own questions

STUDENT A’s QUESTIONS (Do not show these to student B)

(a) ________________

(b) ________________

(c) ________________

(d) ________________

(e) ________________

(f) ________________

(g) ________________

(h) ________________

STUDENT B’s QUESTIONS (Do not show these to student A)

(i) ________________

(j) ________________

(k) ________________

(l) ________________

(m) ________________

(n) ________________

(o) ________________

(p) ________________

Free writing

Write about this topic for 10 minutes. Comment on your partner’s paper.

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Answers

(Please check your answers against the article above.

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