Pratique du Shadowing: Bats for Kids | Learn cool facts about bats - Apprendre l'anglais à l'oral avec la vidéo
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Bats.
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Hi friends!
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Today we are going to learn all about bats.
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And if you want to read along with us, check out learnbright.org to find this lesson plan.
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What are bats?
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The only mammals that fly are bats, which is why some people mistake them for birds when they are in the sky.
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But bats are more closely related to you than they are to a bird.
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Plus, bats don't have feathers.
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Instead, they have fur in various colors, such as gray, tan, brown, or black.
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While bats live worldwide.
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Most of them live in the tropics.
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And most of them like to rest in dark places like caves, hollow trees, or even in attics.
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But a few like to rest on rocks or trees.
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There are over 1,300 species or types of bats.
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Depending on the species, when their wings are spread open, they can measure from 6 inches to 5 feet across.
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That's probably taller than you!
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Their wings, which are their hands, are made of thin layers of bare skin, which join their long fingers together.
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Bat wings stretch from the end of their long hands down to their legs.
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They also have huge ears that point forward.
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Large groups of bats are called a collective, cauldron, or colony, when they are swarming.
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Bats prefer to live in groups and hang upside down by their feet while sleeping.
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Scientists think sleeping upside down helps them escape predators because they can quickly drop into flight.
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In addition, they are nocturnal and prefer to sleep during the day and hunt for food at night.
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What do bats eat?
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If you are a night flying insect, watch out for bats.
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Some bats eat mice, reptiles, birds, and other smaller bats.
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But most bats eat nothing but insects.
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Small bats, the size of an adult thumb, can eat about 4 to 8 grams, that's about 2 grapes, of insects each night.
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You might be thinking that's not a lot.
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And when you take one million bats that eat insects every night, that's a lot of insects.
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It's actually about a thousand metric tons.
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Other bats eat small animals, like birds, frogs, mice, or fish.
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Many bats prefer to eat fruit, nectar, and pollen from flowers.
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But the vampire bat of South and Central America feeds on the blood of large birds and mammals.
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Other interesting facts.
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While they are flying, bats send out a cry from their mouths or noses that is so high-pitched people cannot hear it.
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The sound helps them figure out the distance they are from particular objects and the size of the object.
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The sound of the cry bounces off of objects and echoes back to the bat.
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Using the sound waves, they can create a picture of exactly what's around them.
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This is called echolocation.
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Echolocation enables bats to avoid flying into objects in their path and to locate insects to eat.
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When they find an insect, they trap it with their wings or tail and then reach over to put it in their mouth.
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Unfortunately, chasing and eating insects using echolocation often makes their flight pattern look erratic or uneven rather than smooth like birds.
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The saying, blind as a bat,
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is inaccurate because bats have excellent eyesight and extraordinary hearing.
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The bat is so unique that some ancient civilizations worshipped them.
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For example, the Aztecs had many different gods, and their god of the dead was called Mclantacutli,
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and he had a scrunched bat-like face with clawed hands and feet.
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Why are bats important to the environment?
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Just like bees and butterflies, Bats are pollinators as they fly from plant to plant in search of food.
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Hundreds of plants, like bananas, mangoes, and avocados, rely on bats to pollinate them.
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Bats also help spread seeds for nuts, figs, and cacao, the main ingredient in chocolate.
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Without bats, we might not have delicious chocolate desserts.
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They also play an extremely important, or essential, role in pest control.
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By eating literally tons of insects a night, they help stop crop damage and decrease pesticide use.
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But sadly, bats are declining across the globe.
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People kill bats when they don't have to, because they don't understand their importance to the ecosystem.
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And because of human progress and activity, bats are losing many of their caves for shelter, causing habitat loss.
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And since 2006, 5 million bats have died have died from White Nose Syndrome disease.
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But with knowledge and protection, we can help the numbers of bats soar again.
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We have just learned some pretty bat-tastic facts.
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Let's review.
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Why is the bat population shrinking?
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Where did you find that information?
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The bat population is shrinking because people kill bats when they don't have to, and because of human progress and activity.
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Why do scientists think that bats sleep upside down?
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Scientists think sleeping upside down helps them escape predators because they can quickly drop into flight.
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True or false?
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Bats are nocturnal.
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True!
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Bats are nocturnal.
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Fantastic work, friends!
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Remember, if you liked this lesson, check out even more on our website, learnbright.org.
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And have a bat-tastic day!
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Hope you had fun learning with us.
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Visit us at learnbright.org.
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for thousands of free resources and turnkey solutions for teachers and homeschoolers.
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Vocabulaire et conseils d’expression pour cette leçon
Cette leçon d’expression orale de niveau A2 s’appuie sur la vidéo « Bats for Kids ». Les mots qui reviennent le plus souvent : bat, insect, eat, bird, upside. Cette vidéo contient 77 phrases et 875 mots à répéter en shadowing. La partie parlée dure 7:55. Le locuteur parle à un rythme régulier d’environ 110 mots par minute, confortable pour le shadowing. 79 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
15 mots de la vidéo à retenir, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| insect nom | /ˈɪn.sɛkt/ | insecte |
| scientist nom | /ˈsaɪəntəst/ | scientifique, savant |
| lesson nom | /ˈlɛs.ən/ | leçon |
| mouse nom | /maʊs/ | souris |
| ton nom | /tʌn/ | tonne |
| cave nom | /keɪv/ | caverne, grotte |
| predator nom | /ˈpɹɛd.ə.tɚ/ | prédateur |
| finger nom | /ˈfɪŋɡɚ/ | doigt |
| thin adjectif | /ˈθɪn/ | mince |
| gray adjectif | /ɡɹeɪ/ | gris |
| chase verbe | /t͡ʃeɪs/ | poursuivre, chasser |
| ear nom | /ˈɪə̯/ | oreille |
| pitch nom | /pɪt͡ʃ/ | tir, jet |
| flower nom | /ˈfloʊɚ/ | fleur |
| decline verbe | /dɪˈklaɪn/ | décliner, péricliter |
Les verbes à particule que vous entendrez
| Mot | Sens |
|---|---|
| check out verbe | mater, regarder |
| figure out verbe | cerner |
Des phrases à répéter
Des phrases courtes et complètes de la vidéo, à réutiliser dans la conversation de tous les jours :
- That's probably taller than you!
- You might be thinking that's not a lot.
- Where did you find that information?
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | are spread · are made · are called |
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | have died · have just learned |
| Propositions relatives who / which + proposition — une précision sur une personne ou une chose | bats, which is · wings, which are |
| Possibilité avec « might / may » might/may + verbe — quelque chose de possible mais pas certain | might be · might not have |
Prononciation à surveiller
Le locuteur utilise 4 contractions et formes réduites, comme don't. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « th »: thin /ˈθɪn/, smooth /smuːð/, thumb /ˈθʌm/, feather /ˈfɛðə/
- Les sons « sh » et « zh »: delicious /dɪˈlɪ.ʃəs/, worship /ˈwɝ.ʃɪp/, shelter /ˈʃɛltə/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/, echolocation /ˌɛkoʊloʊˈkeɪʃən/
- Mots longs — placez bien l’accent: extraordinary /ɪksˈtɹɔːrdɪn(ə)ɹi/, civilization /ˌsɪv.ɪ.laɪˈzeɪ.ʃən/, ecosystem /ˈikoʊˌsɪstəm/, ingredient /ɪnˈɡɹiːdi.ənt/, inaccurate /ɪnˈæk.jə.ɹɪt/
Les sons difficiles pour les francophones :
- /h/ — il se souffle, il n’est pas muet: habitat /ˈhæb.ɪ.tæt/, hollow /ˈhɑloʊ/
- /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: chase /t͡ʃeɪs/, pitch /pɪt͡ʃ/, stretch /stɹɛt͡ʃ/, scrunch /skɹʌnt͡ʃ/
- /r/ anglais — langue recourbée, sans frotter la gorge: predator /ˈpɹɛd.ə.tɚ/, gray /ɡɹeɪ/, resource /ɹɪˈzɔːs/, extraordinary /ɪksˈtɹɔːrdɪn(ə)ɹi/, stretch /stɹɛt͡ʃ/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme insect, scientist, lesson.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.