Chapter 25.3 25.4

Question 1

What is the boundary that density changes between layers?

Answer 1

Discontinuity

Question 2

How can Discontinuity be identified?

Answer 2

By using seismic waves

Question 3

What is a Shadow Zone?

Answer 3

Where no seismic waves have been recorded

Question 4

What is another name for a Shadow Zone ?

Answer 4

Dead Zone

Question 5

What are the degrees where Shadow Zones fall in between?

Answer 5

105 - 140

Question 6

Is the Outer Core a Solid or a Liquid?

Answer 6

Liquid

Question 7

Is the Inner Core a Solid or a Liquid?

Answer 7

Solid because of the pressure.

Question 8

What makes up the Lithosphere?

Answer 8

The crust and the uppermost mantle.

Question 9

What makes up the asthenosphere ?

Answer 9

Plastic like layer which Earth plates move.

Question 10

Which elements make up the Mantle

Answer 10

Calcium ,Aluminum, Iron and Magnesium.

Question 11

Which elements make up the Core?

Answer 11

Iron and nickel.

Question 12

the measure of fluid’s resistance to flow

Answer 12

Viscosity

Question 13

Chemical compound silicon dioxide, SiO2, which is a common ingredient in most magma.

Answer 13

Silica

Question 14

Tend to be small, have heights in the hundreds of meter range, and have short eruption cycles.

Answer 14

Cinder Cone Volcanoes

Question 15

Broad, flat structures composed upon layer of lava flows

Answer 15

CC

Question 16

large and steep-sided,often thousands of meters high and tens of kilo meters across the base, and composed of layers of both lava and ash.

Answer 16

Composite Volcanoes

Question 17

What is molten or liquid rocks stored inside Earth called?

Answer 17

Magma

Question 18

Where is the Ring of Fire located.

Answer 18

Pacific Ocean

Question 19

What form when tectonic plates collide along subduction zones

Answer 19

Volcanoes

Question 20

Which 2 specific locations have volcanic activity due two divergent.

Answer 20

East African Rift Valley , Mid-Atlantic Ridge.

Question 21

Are hot spots stationary

Answer 21

Yes

Question 22

What tare created from Hot Spots

Answer 22

Islands ( Hawaiian Islands )

Question 23

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

Answer 23

SLOWER

Question 24

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

Answer 24

MORE

Question 25

What is pyroclastic material

Answer 25

Solid material that erupts from a volcanoes

Question 26

What is the smallest type of pyroclastic material

Answer 26

Ash

Question 27

What is he biggest type of pyroclatic material

Answer 27

Blocks and bombs

Question 28

What are the gasses that come from volcanoes

Answer 28

Water Vapor, Carbon Dioxide, and Sulfur Dioxide.

Question 29

How are volcanoes classified as.

Answer 29

Size, Shape, and materials that erupt from it.

Question 30

What are the 3 types of volcanoes.

Answer 30

Cinder Cone, Shield,Composite

Question 31

Naturally occurring inorganic solid with crystalline form.

Answer 31

Mineral

Question 32

Color of a mineral in powdered form

Answer 32

Streak

Question 33

Mineral break along preferred planes of weakness creating sets of smooth parallel sides.

Answer 33

Cleavage

Question 34

Break with irregular surfaces exhibit.

Answer 34

Frature

Question 35

Mineral resistance to scratching.

Answer 35

Hardness

Question 36

Molton rock material inside Earth.

Answer 36

Magma