Science talk: why do we yawn?
A scientist explains what we know about yawning: when it starts, the oxygen myth, the brain-cooling idea and why yawns are contagious. Students listen for facts and theories.
B1Teens40 minLecture
About this lesson
A B1 listening lesson (lecture). Dialogues and stories to listen to, with transcripts, speed control and ready-made questions.
- Level
- B1
- Skill
- Listening
- Type
- Lecture
- Students
- Teens
- Time
- About 40 minutes
- Topic
- Science
- Activities
- Key words, Speaking / writing task, Listening (read aloud), True / False, Multiple choice, Gap-fill
- Key words
- yawn, oxygen, theory, contagious, empathy, jaw
- Access
- Premium
By the end, students can
- Understand a short science talk and separate facts from theories
- Explain a scientific idea with may, might and one theory is that ...