Tectonic Plates
Ocean Floor
100

What is a subduction zone?

a boundary that slides under one another

100

What is the deepest part of the Ocean Floor?

trench
200

Where is the Ring of Fire located?

pacific ocean

200

What is an underwater volcano that makes islands?

seamount

300

How many plates are there?

12

300

What part of the ocean floor is flat?

abyssal plain

400

How many different types of boundaries are there?

4

400

What covers half of the ocean?

abyssal plain

500

What is the Ring of fires name?

coco's plate

500

What is the smallest part of the ocean floor?

volcanic island

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