The Mariana Trench
https://ngscience.com/wp-content/uploads/4_mariana_trench.mp3
Located in the Pacific Ocean, about 200 kilometers from the Mariana Islands, lies the deepest part of the ocean, the Mariana Trench. The trench is more than 2,500 kilometers in length, almost 70 kilometers wide and is almost 11 kilometers deep.
Reaching such depths is a challenge to scientists. There is immense pressure, complete darkness and very cold water temperatures.
Most of the expeditions to the bottom of the trench are unmanned. Only four people have ever made the journey to its sea floor – two Italian scientists in 1960, the film director James Cameron in 2012 and American retired naval officer, Victor Vescovo.
![](https://ngscience.com/wp-content/uploads/4-NGScience_marina_trench_2.jpg)
Related Printables.
Earth’s Landforms
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_01.small_.jpg)
Comprehension – Earth’s Landforms
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_02.small_.jpg)
Local Land and Water Features
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_03.small_.jpg)
Modeling the Earth’s Features
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_04.small_.jpg)
The Ocean
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_05.small_.jpg)
Earth’s Fresh Water
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_06.small_.jpg)
Using Maps
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_07.small_.jpg)
Map Features
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_08.small_.jpg)
Map Patterns in the United States
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_09.small_.jpg)
Comprehension – Ocean Patterns
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_10.small_.jpg)
Observing Ocean Patterns
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_11.small_.jpg)
Review – Mapping the Earth’s Surface
![](https://ngscience.com/wp-content/uploads/4-NGScience-Mapping-the-Earths-Surface_12.small_.jpg)
Assessment Pack
• printable PDF
• answer key
• marking guide
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