The day people started to make the deepest hole – level 1
The deepest hole made by people is in Russia. The name of the hole is the Kola Superdeep Borehole.
The work on the hole starts on 24 May 1970. Scientists make this hole. They want to go very deep. They want to study the Earth.
The hole is 23 centimeters wide. People reach the deepest point in 1989. It is 12,262 meters deep. Drilling then stops because the temperature is too high.
What new discoveries did scientists make when they drilled into the Earth in the Kola Superdeep Borehole?
LEARN 3000 WORDS with DAYS IN LEVELS
Days in Levels is designed to teach you 3000 words in English. Please follow the instructions
How to improve your English with Days in Levels:
- Do the test at Test Languages.
- Go to your level. Go to Level 1 if you know 1-1000 words. Go to Level 2 if you know 1000-2000 words. Go to Level 3 if you know 2000-3000 words.
- Read two new articles article at Days in Levels every day.
- Read one previous article too and check if you remember all new words.
- Listen to the new article and read the text at the same time.
- Listen to the new article without reading the text.
- Answer the question under the new article and write your answer in the comments.