Mantle

Question 1

Makes up about 84% of earth’s total volume it is located in between the crust and the core which is about 2900 km deep

Answer 1

Mantle

Question 2

The boundary between the crust and the mantle is known as

Answer 2

Mohorovicic discontinuity

Question 3

Mantle is rich in___________ that distinguishes it from the crust

Answer 3

Magnesium oxide

Question 4

The bulk composition of the upper mantle is believed to be

Answer 4

Peridotite igneous rocks

Question 5

The lower mantle is dominated by the mineral

Answer 5

Bridgmanite

Question 6

Comprise of the crust and the uppermost part of the mantle

Answer 6

Lithosphere

Question 7

Also called the lower mantle this layer is composed of semi solid ultra high pressure silicates

Answer 7

Mesosphere

Question 8

Mantle’s layer

Answer 8

Lithosphere
Asthenosphere
Mesosphere

Question 9

Mantle is subdivided into different layers as revealed by

Answer 9

Seismic wave

Question 10

Our seismic waves that can travel through earth’s interior

Answer 10

Body waves

Question 11

Types of seismic waves

Answer 11

Primary or p-waves
Secondary or s-waves

Question 12

Can travel both in solids and liquids

Answer 12

Primary or p-waves

Question 13

is limited to solids media only

Answer 13

Secondary or s-waves

Question 14

refers to the transfer of heat drom mantle to the crust

Answer 14

Mantle Convection

Question 15

This temperature gradient increases slowly through the mantle and forms core mantle boundary known as

Answer 15

Gutenberg discontinuity

Question 16

Earth has a___________ due to mantle convection

Answer 16

Heat engine

Question 17

Heat is released to the ridges and collected at the

Answer 17

Subduction zone

Question 18

This creates forces called

Answer 18

Ridge Push and Slab Pull

Question 19

Process of sinking cold material and rising hot material due to the difference in density

Answer 19

Mantle convection

Question 20

Are used to differentiate the layers of the mantle through the wave refraction

Answer 20

Seismic waves