Chapter 25.3 and 25.4 AAAAAAAAHHHHHHHHHH

Question 1

What is the boundary that marks the density change between layers.

Answer 1

discontinuity

Question 2

How are discontinuity identified

Answer 2

By using seismic waves

Question 3

What is a shadow zone

Answer 3

an area that have no seismic wave recorded.

Question 4

What is another term for shadow zone

Answer 4

dead zone HAH

Question 5

What are the degrees that the shadow zone fall in between

Answer 5

105 and 140 degrees

Question 6

Is the outer core a solid or a liquid

Answer 6

Its a liquid

Question 7

Is the inner core a solid or a liquid. Why?

Answer 7

Solid. Because of pressure

Question 8

What makes up the lithosphere?

Answer 8

The crust and the uppermost mantle

Question 9

What is the asthenospheres

Answer 9

A plastic-like layer which earths plates move on

Question 10

What element make up the mantle.

Answer 10

Calcium, Aluminum, Iron. Magnesium

Question 11

Which elements make up the core

Answer 11

Iron and Nickle.

Question 12

is a measure of a fluid, such as lava

resistance to flow

Answer 12

Viscosity

Question 13

is the chemical compounds silicon dioxide SIO2, which is the common ingredient in magma.

Answer 13

Silica

Question 14

Cinder cone volcanoes

Answer 14

tend to be small, have heights in the hundreds of meter ranges, and have short eruption cycles

Question 15

are broad, flat structures composed of layer upon layers of magma

Answer 15

Shield volcanoes

Question 16

are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone.

Answer 16

Cinder-cone Volcanoes

Question 17

what is molten or liquid rock called stored inside earth called

Answer 17

magma

Question 18

where is the ring of fire located

Answer 18

The Pacific Ocean

Question 19

What forms when tectonic plates collide along the subduction zone

Answer 19

Volcanoes

Question 20

What two specific location have volcanic activity due to divergent

Answer 20

1. Mid Atlantic Ridge

2. East African Rift Valley

Question 21

Are hot spots stationary

Answer 21

Yes, They stay in there spot

Question 22

What are created by hot spots

Answer 22

Islands (Hawaiian islands)

Question 23

If a viscosity is higher, is it going to flow faster or slower

Answer 23

If its higher its going to flow slower

Question 24

If a viscosity is higher, is it going to flow faster or slower

Answer 24

If its higher its going to flow slower

Question 25

If magma has a high viscosity, is it going to have more or less silica.

Answer 25

Magma with have more

Question 26

What is Pyroclastic Material

Answer 26

It is a solid material that erupts from a volcanoes

Question 27

What is the smallest type of pyroclastic material

Answer 27

Volcanic ash

Question 28

What is the smallest type of pyroclastic material

Answer 28

Volcanic ash

Question 29

What is the biggest type of pyroclastic material

Answer 29

Blocks and Bombs

Question 30

What are the gasses that come from volcanoes

Answer 30

water vapor, carbon dioxide, and sulfur dioxide

Question 31

how are volcanoes classified

Answer 31

By there size, shape, and the materials that erupt from them

Question 32

What are the three types of volcanos

Answer 32

Shield, Cinder-cone, Composite