Mid Ocean Ridges

Question 1

What is a mid ocean ridge?

Answer 1

Is a mountain range that forms under the ocean as a result of volcanic activity

Question 2

How does it form?

Answer 2

It forms when two plates pull apart causing a fissure in earths crust

Magma travel sup through the fissure onto sea floor it cools rapidly because of cold water

Over time and multiple eruptions the ocean floor is built up to form a ridge of volcanic mountains

Question 3

Give an example of mid ocean ridge?

Answer 3

Mid Atlantic ridge

Question 4

Explain mid ocean ridge

Answer 4

Runs through Atlantic Ocean. Formed when North American and Eurasian plates pulled apart. It is so high that is reaches surface forming volcanic island such as Iceland

Question 5

What is pacific ring of fire?

Answer 5

Zone of active volcanoes and earthquakes running around edge of Pacific Ocean. The ring of volcanoes marks out edge of pacific. Most active volcanoes in world