BJU earth science chapter 8A

Question 1

The three types of magma all contain an important compound called ___

Accepted Answer

Silica

Question 2

slow flowing lava

Accepted Answer

'a'a

Question 3

Magma can be hot enough to melt out large spaces called ____

Accepted Answer

Magma chambers

Question 4

refers to anything having to do with molten earth materials

Accepted Answer

igneous

Question 5

small sharp particles emitted from the volcanoes

Accepted Answer

pyroclastic

Question 6

the very broad region of surface igneous rocks and granite

Accepted Answer

canadian shield

Question 7

a mixture of hot solid particles in water vapor

Accepted Answer

glowing avalanche

Question 8

Lava that has formed underwater has earned the name ____

Accepted Answer

pillow lava

Question 9

a layer of loose pyroclastic material

Accepted Answer

tephra

Question 10

vent in the ground where steam and gas escapes

Accepted Answer

fumaroles

Question 11

magma forces its way to the surface forming a hole

Accepted Answer

vent

Question 12

depression at the top of a cone

Accepted Answer

crater

Question 13

thick layers of igneous rocks

Accepted Answer

flood basalts

Question 14

if the lava erupts underwater it _______

Accepted Answer

freezes

Question 15

fast flowing lava that's shiny when hard

Accepted Answer

pahoehoe

Question 16

Lava blob and blocks larger than 64mm

Accepted Answer

Bombs

Question 17

huge crater like depression is called _____

Accepted Answer

Caldera

Question 18

A now dormant volcano in the Mediterranean seas

Accepted Answer

Vulcano Island

Question 19

what is a volcano

Accepted Answer

depositional mountain landform

Question 20

large blobs of lava

Accepted Answer

blocks

Questions 20