The Reading / Listening - Clean Air - Level 5

Scientists discovered what they think is the cleanest air on Earth. Researchers from Colorado and Australia conducted research on the purity of the air above Antarctica's Southern Ocean. They found a region between the south of Australia and Antarctica "unaffected" by human activity. Scientists say the area formed the atmosphere in the lower clouds. The analysis of the air showed that it was free from "anthropogenic aerosols". These are pollutants or particles from human activity, or dust from other continents. The scientists called this pollution-free area, "truly pristine".



The scientists analysed airborne microbes in the clouds over the Southern Ocean. They tracked where the DNA of the microbes came from. They monitored wind trajectories to detect how far the microbes travelled. They found that the atmospheric eco-system was "isolated," self-contained, and free from contaminants from elsewhere in the world. The microbes came from the Southern Ocean rather than other continents. The researchers concluded that the Southern Ocean is one of very few places on Earth that has been "minimally affected by anthropogenic activities".

Try the same news story at these levels:

    Clean Air - Level 4 or  Clean Air - Level 6

Sources
  • https://www.newsweek.com/air-antarctica-cleanest-world-1508433
  • https://www.ecowatch.com/cleanest-air-earth-scientists-2646150814.html
  • https://scitechdaily.com/cleanest-air-on-earth-identified-by-atmospheric-scientists-in-first-of-its-kind-study/


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. the cleanest air
  2. the purity
  3. between the south of Australia
  4. unaffected by human
  5. These are pollutants
  6. dust from other
  7. this pollution-
  8. truly
  1. continents
  2. activity
  3. pristine
  4. on Earth
  5. free area
  6. and Antarctica
  7. or particles
  8. of the air

Paragraph 2

  1. airborne microbes in the
  2. They monitored wind
  3. detect how far the
  4. the atmospheric eco-
  5. from elsewhere
  6. other
  7. one of very
  8. Earth that has been minimally
  1. system was isolated
  2. few places
  3. trajectories
  4. continents
  5. affected
  6. microbes travelled
  7. clouds
  8. in the world

Listening — Listen and fill in the gaps

Scientists discovered what they think is the (1) ___________________ Earth. Researchers from Colorado and Australia conducted research (2) ___________________ of the air above Antarctica's Southern Ocean. They found a region between the south of Australia and Antarctica (3) ___________________ activity. Scientists say the area formed the atmosphere in (4) ___________________. The analysis of the air showed that it was free from "anthropogenic aerosols". These (5) ___________________ particles from human activity, or dust from other continents. The scientists called this pollution-free (6) ___________________.

The scientists analysed airborne microbes in (7) ___________________ the Southern Ocean. They (8) ___________________ DNA of the microbes came from. They monitored wind trajectories (9) ___________________ far the microbes travelled. They found that the atmospheric eco-system was "isolated," self-contained, (10) ___________________ contaminants from elsewhere in the world. The microbes came from the Southern Ocean (11) ___________________ continents. The researchers concluded that the Southern Ocean is one of (12) ___________________ on Earth that has been "minimally affected by anthropogenic activities".

Put a slash (/) where the spaces are

ScientistsdiscoveredwhattheythinkisthecleanestaironEarth.Resear
chersfromColoradoandAustraliaconductedresearchonthepurityofth
eairaboveAntarctica'sSouthernOcean.Theyfoundaregionbetweenth
esouthofAustraliaandAntarctica"unaffected"byhumanactivity.Scien
tistssaytheareaformedtheatmosphereinthelowerclouds.Theanalysi
softheairshowedthatitwasfreefrom"anthropogenicaerosols".Thesea
repollutantsorparticlesfromhumanactivity,ordustfromothercontine
nts.Thescientistscalledthispollution-freearea,"trulypristine".Thesci
entistsanalysedairbornemicrobesinthecloudsovertheSouthernOcea
n.TheytrackedwheretheDNAofthemicrobescamefrom.Theymonitor
edwindtrajectoriestodetecthowfarthemicrobestravelled.Theyfoundt
hattheatmosphericeco-systemwas"isolated,"self-contained,andfr
eefromcontaminantsfromelsewhereintheworld.Themicrobescamefr
omtheSouthernOceanratherthanothercontinents.Theresearchersco
ncludedthattheSouthernOceanisoneofveryfewplacesonEarththatha
sbeen"minimallyaffectedbyanthropogenicactivities".

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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