Earth’s Internal Heat And Magmatism

Question 1

Thinnest layer

Answer 1

Crust

Question 2

Mantle

Answer 2

Largest layer

Question 3

Mantle’s estimated thickness

Answer 3

1800 miles

Question 4

Composed of liquefied metals and stays on that state because of the immense heat

Answer 4

Outer core

Question 5

Outer core is composed of metals such as

Answer 5

Iron and nickel

Question 6

Composed of metals but not in a liquid state

Answer 6

Inner core

Question 7

Ia a result of the movement of tiny particles

Answer 7

Heat

Question 8

Heat moves particles that are

Answer 8

Atoms, molecules or Ions

Question 9

Plays a vital role in our planet that makes it livable

Answer 9

Heat energy

Question 10

Is the Internal heat energy accumulated by dissipation in a planet during its few million years of evolution

Answer 10

Primordial heat

Question 11

Major contribution of this internal heat

Answer 11

Accretional energy

Question 12

The energy deposited during the early formation of a planet

Answer 12

Accretional energy

Question 13

The storage of primordial heat that originates from times of accretion when kinetic energy of colliding particles was transformed into thermal energy

Answer 13

Core

Question 14

The core is a storage of…

Answer 14

Primordial heat

Question 15

Heat is constantly lost to the outer silicate layers of the mantle and crust of the earth through…

Answer 15

Convection and conduction

Question 16

Heat flows from the earth to the space through…

Answer 16

Radiation

Question 17

Radiogenic heat

Answer 17

Thermal energy released as a result of spontaneous nuclear disintegration of natural radioactive element inside the planet

Question 18

Radioactive elements

Answer 18

Exists everywhere on earth in a fairly significant concentration.

Question 19

Radioactive decay

Answer 19

Is a process that creates the formation if the earth’s land

Question 20

Processes that transfers heat

Answer 20

Conduction, convection, radiation

Question 21

Conduction

Answer 21

Happen in the earth earth’s surface in almost entire solid portions of the earth and plays a very important role in the lithosphere.

Question 22

Convection

Answer 22

A very effective mode of heat transport in the earth by the movement of mass

Question 23

Radiation

Answer 23

Heat exchange between the sun and the earth

Question 24

Magma

Answer 24

Hot molten rocks beneath the earth

Question 25

Highest amount of element on magma

Answer 25

oxygen

Question 26

lowest amount of element on magma

Answer 26

Magnesium

Question 27

Asthenosphere

Answer 27

lower part of the eart’s crust and in the upper portion of the mantle

Question 28

Partial melting

Answer 28

Different temp and pressure. Occurs in the lower crust or mantle

Question 29

Melting point

Answer 29

Given temperature of a solid

Question 30

How is magma formed

Answer 30

increase of temp, decrease of preasure, addition of volatiles

Question 31

decompression melting

Answer 31

decrease of preasure that occurs on mid ocean ridge

Question 32

Flux melting

Answer 32

adding impurities to lower the melting points that occurs in the subduction zones