Valles Marineris

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/valles-marineris

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. Who discovered Valles Marineris?1971-1972 by NASA's Mariner 9 spacecraft
2. What is the location?Equatorial belt of Mars, situated east of the Tharsis volcanic plateau
3. What is the primary formation mechanism?Tectonic rifting and crustal extension associated with the Tharsis Bulge
4. How did Valles Marineris form?It formed when the huge Tharsis volcano area pushed up the crust, causing it to crack and drop into deep, wide gaps.
5. Why is Valles Marineris important for scientists?The canyon walls expose layers of rock that show how Mars's surface changed over billions of years, giving clues about past water and the planet's atmosphere.

Graben: A down-dropped block of Earth's crust that lies between two parallel faults.
Fluvial Activity: Processes associated with the flow of liquid water, such as erosion and deposition.
Astrobiology: The scientific study of the origin, evolution, distribution, and future of life in the universe.