The Reading / Listening - Magnetic Poles - Level 4

Scientists often warn us about climate change, asteroids or nuclear war. Now scientists have warned of the threat of Earth's magnetic poles reversing. The poles create the magnetic shield around Earth. This protects us from deadly radiation. Life on Earth depends on this shield. The poles could flip in the next thousand years because the molten iron turning around Earth's center is changing direction. This molten iron is like a gigantic electromagnet.



Earth's poles flip roughly every 250,000 years. The last time was 780,000 years ago. The next flip could destroy communications and power grids; deadly solar rays could increase rates of cancer; and climate change could kill many species. A polar flip could even blow Earth's atmosphere away. One scientist dismissed the danger from increased radiation from the poles flipping. He said it would be as harmful as lying on a beach for a day without wearing a hat.

Try the same news story at these levels:

    Magnetic Poles - Level 5 or  Magnetic Poles - Level 6

Sources
  • http://www.dailymail.co.uk/sciencetech/article-5351589/Earths-magnetic-field-flip-upside-down.html
  • https://sciexaminer.com/news/science/beware-magnetic-poles-earth-can-switch-positions-future-warn-esa-scientists-3874.html
  • https://www.inquisitr.com/4771682/magnetic-field-reversal-doomsday-predictions-blown-out-of-proportion-experts-say/


Make sure you try all of the online activities for this reading and listening - There are dictations, multiple choice, drag and drop activities, crosswords, hangman, flash cards, matching activities and a whole lot more. Please enjoy :-)



Phrase Matching

Paragraph 1

  1. scientists have warned
  2. Earth's magnetic poles
  3. create the magnetic shield
  4. Life on Earth depends
  5. in the next thousand
  6. turning around
  7. changing
  8. a gigantic
  1. direction
  2. of the threat
  3. Earth's center
  4. reversing
  5. electromagnet
  6. around Earth
  7. years
  8. on this shield

Paragraph 2

  1. Earth's poles flip roughly every
  2. The next flip could destroy
  3. power
  4. deadly solar
  5. increase rates
  6. climate change could kill
  7. it would be as
  8. lying on a
  1. rays
  2. many species
  3. beach
  4. grids
  5. harmful
  6. 250,000 years
  7. of cancer
  8. communications

Listening — Listen and fill in the gaps

Scientists often warn us about climate change, (1) ___________________ war. Now scientists (2) ___________________ the threat of Earth's magnetic poles reversing. The poles create (3) ___________________ around Earth. This protects us from deadly radiation. Life on Earth depends on this shield. The poles (4) ___________________ the next thousand years because the (5) ___________________ around Earth's center is changing direction. This molten iron is (6) ___________________ electromagnet.

Earth's poles (7) ___________________ 250,000 years. The last time was 780,000 years ago. The next (8) __________________ communications and power grids; deadly solar rays could increase (9) ___________________; and climate change could (10) ___________________. A polar flip could even blow Earth's atmosphere away. One scientist (11) _________________ from increased radiation from the poles flipping. He said it would be as (12) ___________________ on a beach for a day without wearing a hat.

Put a slash (/) where the spaces are

Scientistsoftenwarnusaboutclimatechange,asteroidsornuclearwar.
NowscientistshavewarnedofthethreatofEarth'smagneticpolesrevers
ing.ThepolescreatethemagneticshieldaroundEarth.Thisprotectsusfr
omdeadlyradiation.LifeonEarthdependsonthisshield.Thepolescouldf
lipinthenextthousandyearsbecausethemoltenironturningaroundEar
th'scenterischangingdirection.Thismoltenironislikeagiganticelectro
magnet.Earth'spolesfliproughlyevery250,000years.Thelasttimewa
s780,000yearsago.Thenextflipcoulddestroycommunicationsandpo
wergrids;deadlysolarrayscouldincreaseratesofcancer;andclimatech
angecouldkillmanyspecies.ApolarflipcouldevenblowEarth'satmosph
ereaway.Onescientistdismissedthedangerfromincreasedradiationfr
omthepolesflipping.Hesaiditwouldbeasharmfulaslyingonabeachfora
daywithoutwearingahat.

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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