Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

physical science > Chapter 25.3 and 25.4 > Flashcards

Chapter 25.3 and 25.4 Flashcards

1
Q

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

A

Discontinuity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How can discontinuity´s be identified???

A

Seismic waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are Shadow Zones?????

A

Areas where no seismic waves are recorded.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is another term for shadow zones??????

A

Dead zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which two degrees does shadow zones fall between?????

A

105 and 140 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Is the outer core a solid or a liquid???????

A

Liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

The inner core is a solid because of pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What makes up the lithosphere????

A

The crust and the upper most mantle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the asthenoshpere?

A

Plastic-like layer which earths plates move on.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which elements make up the mantle?????

A

Calcium, Aluminum, Iron, and Magnesium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What elements make up the core????

A

Iron and Nickel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the measurement of a fluid´s resistance to flow??

A

Viscosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the chemical compound for silicon dioxide???

A

Silica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What have short eruption cycles?????

A

Cinder Cone Volcanoes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are flat structures composed of a layer upon layer of lava flows?????

A

Shield Volcanoes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is large and steep-sided?????

A

Composite Volcanoes

17
Q

What is molten, or liquid rock stored inside earth?

A

Magma

18
Q

Were is the fire located?????

A

Pacific Ocean

19
Q

What is created when tectonic plates collide along the subduction zone?????

A

Volcanoes

20
Q

What are two specific examples of volcanic activity due to divergents????

A

Mid Atlantic Ridge And East African Ridge

21
Q

Are hot spots stationary???

A

yuh

22
Q

What can by created in hot spots???

A

Islands (Hawaii)

23
Q

If a liquid has a higher viscosity will it flow more quickly or slowly????

A

Slowly

24
Q

If magma has high viscosity will it contain more or less silica????

A

More

25
Q

What is pyroclastic material????

A

Any solid material that erupts from a volcano

26
Q

What is the smallest type of pyroclastic material???

A

Volcanic Ash

27
Q

What is the largest type of pyroclastic material???

A

Blocks and bombs

28
Q

What are the types of gases that erupt from volcanoes???????

A

Water Vapor, Carbon Dioxide, and Sulfur Dioxide

29
Q

How are volcanoes classified?????

A

Size, Shape, the materials that erupt

30
Q

What are three types of volcanoes????

A

Cinder Cone Volcano, Shield Volcano, Composite Volcano

physical science (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions