definitions

Question 1

astroid

Answer 1

one of the many rocky objects, smaller than planets , that orbit the sun

Question 2

asthenosphere

Answer 2

the plastic layer of earth below the lithoshpere which is part of the upper mantle

Question 3

comet

Answer 3

a small body made of ice and dust that orbits the sun

Question 4

convection

Answer 4

heat tranfer generated deep within the earth (that resembles a tea kettle whoch warming up) and causes plate movement

Question 5

core

Answer 5

lIron and nickel nucleaus of the earth that causes the magnetic north and south poles

Question 6

crust

Answer 6

the outer most shell of the earth the upper part of the lithoshpere

Question 7

earthquake

Answer 7

a shaking of the earth that is volcanic or tetonic in origin which commonly occer along plate boundaries

Question 8

geology

Answer 8

a study of the earths makeup, processes and history

Question 9

geyser

Answer 9

boiling hot water underground that erprupts hot water and steam

Question 10

igneous rock

Answer 10

any rock formed from magma

Question 11

lava

Answer 11

molten (liquid) rock above the ground which turns into solid rock as it cools and solidifies

Question 12

lithosphere

Answer 12

the solid outermost shell of the earth which includes the crush and the uppermost portion of the mantle

Question 13

magma

Answer 13

molten rock underground

Question 14

mantle

Answer 14

the thick layer of earth between the crust and the core

Question 15

metamorphic rock

Answer 15

any rock changed in composition or texture through heat (without melting) pressure or chemical reaction

Question 16

meteor

Answer 16

a rocky or metallic object generally smaller than an asteroid, that had entered the earths atmosphere from space

Question 17

meteorite

Answer 17

a meteor that survives passage through earths atmosphere and arrives at on the earths surface without completely burning

Question 18

mid ocean ridge

Answer 18

the very long undersea ridge extending through the ocean basin passing down the middle of the atlantic ocean

Question 19

mineral

Answer 19

a naturally occurring inorganic material having an orderly internal structure and is the Basic component of rock

Question 20

plate

Answer 20

one of the crustal segments that make up the earths lithosphere

Question 21

sewfloor spreading

Answer 21

the process by wich upwelling magma forces apart the oceanic plates at the midpcean ridg forming new seafloor

Question 22

sedimentary rocks

Answer 22

rocks formed by the accumulation of sediments which is usually layered

Question 23

seismic waves

Answer 23

waves genererated by an earthquake or any other disturbance of the earths crust

Question 24

seismograph

Answer 24

the instrument used to record seismic waves emanating from earthquakes

Question 25

volcano

Answer 25

a vent in the earths crust from which molten rocks, hot steam, and other materials may emerge

Question 26

mid ocean ridge

Answer 26

the very long undersea ridge extending through the ocean basin passing down the middle of the atlantic ocean

Question 27

mineral

Answer 27

a naturally occurring inorganic material having an orderly internal structure and is the Basic component of rock

Question 28

plate

Answer 28

one of the crustal segments that make up the earths lithosphere

Question 29

sewfloor spreading

Answer 29

the process by wich upwelling magma forces apart the oceanic plates at the midpcean ridg forming new seafloor

Question 30

sedimentary rocks

Answer 30

rocks formed by the accumulation of sediments which is usually layered

Question 31

seismic waves

Answer 31

waves genererated by an earthquake or any other disturbance of the earths crust

Question 32

seismograph

Answer 32

the instrument used to record seismic waves emanating from earthquakes

Question 33

volcano

Answer 33

a vent in the earths crust from which molten rocks, hot steam, and other materials may emerge