B2 · 5 minutes · Science

Why the dinosaurs died out

Part of a lecture about a disaster in the Earth’s distant past.

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What you’ll practise

Follow a cause-and-effect explanation in a lecture.

Words to know

asteroid: A large rock that travels through space.
extinction: When a kind of animal or plant no longer exists.
ancestor: An animal or person from long ago from whom others come.

Words at this lesson’s level (B2)

At B2, you probably know about 98% of the words in this lesson.

The other words of this lesson are at B2 or below.

Word levels from the CEFR-J Wordlist 1.5 (Yukio Tono, Tokyo University of Foreign Studies); words not in it count as above B2. Your level is the one you chose in the level guide, otherwise the lesson’s.

Source

Original exercise by Joy English. Synthetic voice: Kokoro-82M (Apache-2.0).

Original script; synthetic narration.

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