B1 इंटरमीडिएट English 8:24 1,345 शब्द Science & Tech

Many Crystals Take Millions of Years to Form, Not These

SciShow · 116,243 व्यूज़ · Added 5 घंटे पहले

Learning Stats

B1

CEFR लेवल

1,345

Total Words

514

Unique Words

5/10

Difficulty

Vocabulary Diversity 38%

सबटाइटल्स (115 segments)

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00:00

Most of the big, stunning crystals that we find  

00:02

on Earth are the end result of  millions of years of formation.

00:06

They grow deep in the Earth’s  crust in tectonic processes,  

00:09

or on the Earth’s surface in sealed caves, in  both cases taking eons to form and be found.

00:16

But there’s one collectible crystal  that sometimes forms a lot faster.

00:20

In a windswept desert along the coast of Qatar,  

00:23

gorgeous formations of desert rose are created  in a matter of decades, right beneath our feet.

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[♪ INTRO]

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Desert rose crystals are common  sights in museum gift shops.

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They’re named, somewhat uncreatively, for  their rose-like appearance and sandy texture.

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What sets them apart from all of the shiny  faceted specimens on the shelf is that the  

00:48

desert rose isn’t technically mineral  at all, but a combination of minerals.

Full subtitles available in the video player

Key Vocabulary (21)

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.

water A1 noun

H2O liquid

"Drink water daily."

salty A1 adjective

Salty describes a taste that is like salt or contains a lot of salt. It is one of the five basic tastes and is commonly used to describe snacks, sea water, or food that has been seasoned heavily.

"This is very salty."

form A1 noun

A document with blank spaces where you write information such as your name, address, or answers to questions. In business, it is used to collect data, apply for jobs, or order products.

"The form is important."

evaporate A1 noun

To evaporate is when a liquid, like water, turns into a gas or steam. This usually happens when the liquid becomes warm, such as when the sun dries a puddle on the street.

"The evaporate is important."

desert A1 noun

A desert is a large, very dry area of land that receives very little rain each year. Because of the lack of water, deserts often have few plants and can be covered in sand, rocks, or gravel.

"The desert is important."

mineral A1 noun

A mineral is a natural substance found in the earth that is not a plant or animal. It is often hard and can be used for building things or helping the body stay healthy.

rock A1 noun

A style of popular music that emerged in the 1950s, characterized by a strong beat and the use of electric guitars, bass, and drums. It is often loud and energetic, encompassing various sub-genres from soft to heavy sounds.

years
surface
it’s
rocks
roses
rose
millions
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