Mariana Trench Video

This is the location of the Mariana Trench and the Challenger Deep. According to your notes, what sort of plate boundary would create a trench?

• Convergent

• Divergent

• Transform

The ocean that we are studying, where the Mariana Trench can be found is the​ (a)   Ocean.

• Pacific
• Atlantic
• Indian
• Arctic
• Southern

How long is the Mariana Trench?

• 2,550 miles

• 2,550 km

• 2,550,000 km

• 25 inches

The deepest known location on the earth is the (a)   Deep.

What are the two plates that create the Mariana Trench?

• The North American Plate

• The Pacific Plate

• The Mariana Plate

• The African Plate

• The Eurasian Plate

Why had people not been able to make their way to the bottom of the Challenger Deep before? Consider what happened to the submarine window.

Why are there not usually shellfish at the bottom of the Mariana Trench?

• The intense pressure dissolves the shells.

• The higher salt concentrations dissolve the shells.

• There is not enough oxygen in the water.

• Shellfish only prefer warm water.

What are holothurians?

• Fish

• Sea Stars

• Sharks

• Sea Cucumbers

If we don't change our habits, our ​ (a)   could cause important parts of the Mariana Trench to be destroyed before they could be discovered.

• pollution
• tourism
• economy
• pets