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Ocean Trench Comparison Activity

1. Work in your assigned groups

2. Choose one ocean trench to research

3. Create a post with the following information:

Name of the trench

Location

Maximum depth

Notable marine life

4. Add an image of your chosen trench

5. Review other groups’ posts and vote for the most interesting trench feature

Remember: Each group should choose a different trench to avoid duplicates

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The Tonga Trench is in the South Pacific Ocean near the islands of Tonga and New Zealand.”
“It is about 10,800 meters deep.”
“Scientists use submarines, sonar mapping tools, and underwater robots to study it.”

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The trench is an active seismic zone, meaning it can cause strong earthquakes and possibly tsunamis that affect nearby islands.

1. Scientific Importance

Scientists study this trench to better understand earthquakes, plate movement, and to protect nearby communities.

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The Java Trench is known for causing earthquakes and tsunamis. The 2004 Indian Ocean earthquake and tsunami started near this trench.

Still Active

Scientists study the Java Trench to learn more about plate movement and to help predict earthquakes and tsunamis in the region.

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The Java Trench (also called the Sunda Trench) is in the Indian Ocean, near the islands of Sumatra and Java in Indonesia.

Depth

It is the deepest part of the Indian Ocean, reaching about 7,725 meters (25,344 feet) deep.

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Java trench

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ocation

The Puerto Rico Trench is in the Atlantic Ocean, just north of Puerto Rico and the Caribbean Islands.

Depth

It is the deepest part of the Atlantic Ocean, reaching about 8,376 meters (27,480 feet) deep.

Tectonic Plates

It lies where the North American Plate meets the Caribbean Plate. The plates are sliding past and under each other, which causes the trench to form.

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The trench is an active seismic zone, meaning it can cause strong earthquakes and possibly tsunamis that affect nearby islands.

1. Scientific Importance

Scientists study this trench to better understand earthquakes, plate movement, and to protect nearby communities.

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As high as mount everest

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saifوحش

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Mariana Trench

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Mariana Trench

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Atlantic ocean

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Mariana Trench is the deepest trench in the world

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As high as Mount Everest