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Pacific Ring of Fire
Earthquakes, volcanoes, tsunami
| Term | Definition |
|---|---|
| Volcano | A mountain made from a vent through the core where magma reaches the surface and becomes lava. |
| Pacific plate | The section of the earth's crust where the Pacific ocean sits. |
| Pacific ocean | Largest ocean in the world. |
| tsunami | a long high sea wave caused by an earthquake, or other disturbance |
| earthquake | a sudden and violent shaking of the ground, sometimes causing great destruction. |
| trench | a deep depression in the ocean floor caused by the colliding of two tectonic plates. |
| seamount | an underwater mountain |
| oceanic ridge | a chain of mountains beneath the sea |
| atoll | a small island made of coral. |
| volcanic island | an island is the ocean that was made from an undersea volcano. |
| coral polyp | a sea animal that grows in warm, shallow ocean water. It produces a hard substance called limestone to form its skeleton. |
| coral reef | a collection of coral polyps that form a colony along the edges of an island. |
| plate tectonics | The movement of the earth's crustal plates which slip, collide, or slide under other plates. |
| Northern Mariana Islands | The 14 islands north of Guam. The capital is Saipan. |
| Saipan | The capital island of the Northern Mariana islands. |
| Hagatna | The capital city of Guam |
| Guam | The largest island in the Mariana Islands. It is a separate government. |
| Volcano | A mountain made from a vent through the core where magma reaches the surface and becomes lava. |
| Pacific plate | The section of the earth's crust where the Pacific ocean sits. |
| Pacific ocean | Largest ocean in the world. |
| tsunami | a long high sea wave caused by an earthquake, or other disturbance |
| earthquake | a sudden and violent shaking of the ground, sometimes causing great destruction. |
| trench | a deep depression in the ocean floor caused by the colliding of two tectonic plates. |
| seamount | an underwater mountain |
| oceanic ridge | a chain of mountains beneath the sea |
| atoll | a small island made of coral. |
| volcanic island | an island is the ocean that was made from an undersea volcano. |
| coral polyp | a sea animal that grows in warm, shallow ocean water. It produces a hard substance called limestone to form its skeleton. |
| coral reef | a collection of coral polyps that form a colony along the edges of an island. |
| plate tectonics | The movement of the earth's crustal plates which slip, collide, or slide under other plates. |
| Commonwealth of the Northern Mariana Islands | A United States Commonwealth. The 14 islands north of Guam. The capital is Saipan. |
| Saipan | The capital island of the Northern Mariana islands. |
| Hagatna | The capital city of Guam |
| Guam | The largest island in the Mariana Islands. It is a separate government. |