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B2 Upper Intermediate English 5:31 649 words Educational

Why don’t we get our drinking water from the ocean? - Manish Kumar

TED-Ed · 1,141,530 views · Added 5 months ago

AI Summary

This TED-Ed video explores why we can't drink ocean water and explains the science behind desalination. Learners will encounter scientific vocabulary including 'reverse osmosis,' 'cellular integrity,' 'desalination,' and 'membrane,' while following a narrative that moves from biology to engineering and survival. It's excellent for building B2-level academic English through a real-world problem-solving topic.

Learning Stats

B2

CEFR Level

649

Total Words

363

Unique Words

6/10

Difficulty

Vocabulary Diversity 56%

Key Vocabulary (25)

water A1 noun

H2O liquid

you A1 pronoun

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

freshwater B2 adjective, noun

Water that contains a negligible amount of dissolved salts, distinguishing it from seawater or brackish water. It is found in glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands, and groundwater.

Grammar in This Video

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