The Reading / Listening - Dogs' Noses - Level 4

Researchers may have answered one of science's mysteries - why a dog's nose is cold. The scientists believe dogs' noses are cold because they act as "ultra-sensitive heat detectors". Dogs sense the temperature of things without touching them. They use their noses to detect temperature, such as when predators or prey are nearby. Humans only know something is hot through touch. It was believed that dogs' noses are cold to control their body temperature.



Researchers did experiments on dogs, which had to detect the temperature of different objects. Brain activity in the dogs showed that they knew which objects were warmer than others. A researcher said: "Dogs are able to sense the thermal radiation coming from warm bodies...and they can change their behaviour according to this." Scientists may now re-evaluate how animals hunt. Many animals may use heat-sensing abilities to hunt.

Try the same news story at these levels:

    Dogs' Noses - Level 5 or  Dogs' Noses - Level 6

Sources
  • https://www.countryliving.com/uk/wildlife/pets/a31186288/dogs-cold-noses/
  • https://uk.reuters.com/article/uk-hungary-science-dogs/dogs-can-detect-heat-with-infrared-sensor-in-their-nose-research-finds-idUKKBN20Q1RG
  • https://uk.news.yahoo.com/dog-nose-cold-182000634.html


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. answered one of science's
  2. why a dog's
  3. they act as ultra-sensitive
  4. Dogs sense the temperature
  5. use their noses to
  6. when predators or prey
  7. know something is hot
  8. control their body
  1. detect temperature
  2. heat detectors
  3. through touch
  4. temperature
  5. are nearby
  6. of things
  7. mysteries
  8. nose is cold

Paragraph 2

  1. had to detect the
  2. Brain activity
  3. they knew which
  4. warmer than
  5. thermal
  6. they can change their
  7. re-evaluate how animals
  8. use heat-sensing abilities
  1. hunt
  2. objects
  3. to hunt
  4. in the dogs
  5. temperature
  6. radiation
  7. others
  8. behaviour

Listening — Listen and fill in the gaps

Researchers may (1) ___________________ of science's mysteries - why a dog's nose is cold. The (2) ___________________ noses are cold because they act as "ultra-sensitive heat detectors". Dogs (3) ___________________ of things without touching them. They use their noses (4) ___________________, such as when predators or prey are nearby. Humans only know something is (5) ___________________. It was believed that dogs' noses are cold to (6) ___________________ temperature.

Researchers did experiments on dogs, which (7) ___________________ the temperature (8) ___________________. Brain activity in the dogs showed that they (9) ___________________ were warmer than others. A researcher said: "Dogs are able to (10) ___________________ radiation coming from warm bodies...and they can (11) ___________________ according to this." Scientists may now re-evaluate how animals hunt. Many animals may use heat-sensing (12) ___________________.

Put a slash (/) where the spaces are

Researchersmayhaveansweredoneofscience'smysteries-whyadog'
snoseiscold.Thescientistsbelievedogs'nosesarecoldbecausetheyact
as"ultra-sensitiveheatdetectors".Dogssensethetemperatureofthing
swithouttouchingthem.Theyusetheirnosestodetecttemperature,suc
haswhenpredatorsorpreyarenearby.Humansonlyknowsomethingis
hotthroughtouch.Itwasbelievedthatdogs'nosesarecoldtocontrolthei
rbodytemperature.Researchersdidexperimentsondogs,whichhadto
detectthetemperatureofdifferentobjects.Brainactivityinthedogssho
wedthattheyknewwhichobjectswerewarmerthanothers.Aresearche
rsaid:"Dogsareabletosensethethermalradiationcomingfromwarmb
odies...andtheycanchangetheirbehaviouraccordingtothis."Scientist
smaynowre-evaluatehowanimalshunt.Manyanimalsmayuseheat-se
nsingabilitiestohunt.

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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