Chapter 4

Question 1

What are volcanos

Answer 1

Openings or cracks in the earths crust

Question 2

What comes out of a volcano

Answer 2

Magma, ash, cinder, and gases

Question 3

What causes volcanos

Answer 3

When plates collide or separate.

Question 4

Explain the formation of a volcano

STEP 1

Answer 4

Magma comes up through magma reservoir through cracks or vents in the crust when pressure builds near surface big explosions occur

Question 5

Explain the formation of a volcano

STEP 2

Answer 5

Magma called lava when it comes out of the volcano flows out of the crater and down the sides of the volcano then cools and hardens

Question 6

Explain the formation of a volcano

STEP 3

Answer 6

Layers of ash and lava laid down during different eruptions slowly build up to form a cone shaped volcano with a crater on top

Question 7

What can develop on the side of a volcano

Answer 7

Sometimes secondary volcanos can form on the side of the main volcano

Question 8

What are the three types of volcanos

Answer 8

Active
Dormant
Extinct