Perseverance Rover Finds History of Water on Mars
In the app: the whole story at your level, listening, the quiz and the word cards.
The same story at six levels
How the first sentence reads at every level, from A1 to C2.
- A1
NASA finds new things on Mars.
- A2
NASA's Perseverance rover made a new discovery on Mars.
- B1
NASA's Perseverance rover has made a new discovery on Mars.
- B2
NASA's Perseverance rover has made an unexpected discovery on Mars.
- C1
Scientists are studying the geology of Mars to understand its past climate and determine if the planet ever supported life.
- C2
Scientists who are studying the geology of Mars to understand its past climate and determine if the planet ever supported life have uncovered an unexpected geological sequence.
Key words
Words from the B1 text, with their meaning.
- sedimentary
- formed from sand, dirt, and other materials that settle at the bottom of a liquid over time
- igneous
- formed from hot, melted rock that has cooled and become solid
- interact
- to have an effect on each other when brought together
- reaction
- a chemical change that happens when two or more substances mix
- remain
- to stay in the same place or condition after other things have gone or changed
- vein
- thin layers or lines of a mineral that are different from the rock around them
Rewritten with AI from facts reported by NASA. Read the original for the full report.