Volcanoes🌋

Question 1

How does a volcano form

Answer 1

A volcano forms when two plates collide or separate and magma rises from the mantle. It fills the vent in an eruption. Magma cools and hardens at the surface, which is called lava. Layers of ash and lava build up to from a cone shape.

Question 2

Draw and label a volcano

Answer 2

☁☁☁☁☁☁☁☁\_\_\_\_\_\_Ash cloud
               ☁☁☁☁☁☁
             _ _  💥 _ \_\_\_\_\_\_Crater
            //  // 🟥   \\  \\            
          //  // /🟥 \\  \\  \🟥\_\_\_\_\_Side vent
        //  // //  🟥 \\ 🟥 \  
      //  //  // /🟥   🟥  \\  \_\_\_\_\_Old layers of ash & lava
    //  //  //  /🟥\\   \\  \\  \\
  //  //  //  //🟥  \\   \\  \\  \\
//  //  //   //🟥🟥\\  \\  \\  \\ 
🟫🟫🟫🟥🟥🟥🟫🟫🟫\_\_\_\_Earths crust
🟥🟥🟥🟥🟥🟥🟥🟥🟥\_\_\_\_\_Magma chamber

Question 3

Name the three different types of volcanoes

Answer 3

active volcano- has erupted in the last 10,000 years
dormant volcano- hasnt erupted in last 10,000 years but might erupt again
Extinct volcano- never going to erupt again

Question 4

name a mid ocean ridge and how it was formed

Answer 4

The mid atlantic ridge was formed by the euarasian and north american plates separating. magma rises and cools and hardens over time and it creates an underwater mountain range.

Question 5

What is the pacific ring of fire

Answer 5

The pacific ring of fire is a ring around the borders of the pacific ocean. it contains 75 percent of earths volcanoes and 90 percent of earthquakes occur here.

Question 6

What are positive social impacts of a volcano

Answer 6

increased tourism and unemployment

Question 7

what are the positive economic impacts of a voolcano

Answer 7

new tourist attraction, generated income for locals and fertile soil

Question 8

what are the negative social impacts

Answer 8

contaminated water supply, evacuation of locals

Question 9

what are the negative economic impacts

Answer 9

travel chaos, loss of ernings