Chapter 2 -- Understanding Earth

Question 0

What are the principal sub systems of earth?

Hint: 6

Answer 0

Core, Mantle, lithosphere, hydrosphere, biosphere, atmosphere

Question 1

the study of earth, other planets and their moons.

Answer 1

Geology

Question 2

What is a Rock?

Answer 2

A rock is an aggregate of minerals. Which are naturally occurring, inorganic, and crystalline solids that have definite physical and chemical properties.

Question 3

Individual fragments or crystals large enough to be seen

Answer 3

Clasts

Question 4

Fine grained material between larger clasts or crystals

Answer 4

Matrix

Question 5

Crystalline added after the original rock formed (usually by water flowing through the rock).

Answer 5

Cement

Question 6

crystallizes beneath the earth.

Answer 6

Intrusive Rock

Question 7

crystallizes and cools at the earths surface.

Answer 7

Extrusive

Question 8

Form from the alteration of other rocks usually by, heat, pressure, chemically active fluids. A rock at or near the surface is buried to great depth and is subjected to, intense heat or pressure.

Answer 8

Metamorphic

Question 9

Typically layered deposits formed from rock and mineral fragments, precipitation of minerals from solution, the compaction of plant and animal remains

Answer 9

Sedimentary

Question 10

a break down of a rock due to chemical/mechanical action.

Answer 10

Weathering

Question 11

sediments move downhill by gravity and taken somewhere else by wind, water or even ice.

Answer 11

Transportation or Erosion

Question 12

comes to a rest somewhere in an ocean, River floodplain, swamp, sand dune etc.

Answer 12

Deposition

Question 13

conversion into rock through compaction and cementation and forms a sedimentary rock.

Answer 13

Lithification