Tectonic plates

Question 1

Lithosphere

Answer 1

the solid,outer layer of the earth that sonsits of the crust and the rigid upper part of the mantle

Question 2

Asthenosphere

Answer 2

the soft layer of the mantle on which the tectonic plates move

Question 3

Mesosphere

Answer 3

the strong, lower part of the mantle between the asthenosphere and the outer core

Question 4

Inner Core

Answer 4

a hot, dense ball of (mostly) iron

Question 5

Outer Core

Answer 5

liquid, iron-nickel layer of the Earth between the solid inner core and lower mantle

Question 6

Seismic Waves

Answer 6

an elastic wave in the earth produced by an earthquake or other means.

Question 7

Oceanic Crust

Answer 7

the outermost layer of Earth’s lithosphere that is found under the oceans and formed at spreading centres on oceanic ridges, which occur at divergent plate boundaries.

Question 8

Continental Crust

Answer 8

the outermost layer of Earth’s lithosphere that makes up the planet’s continents and continental shelves

Question 9

Density

Answer 9

the degree of compactness of a substance.

Question 10

Alfred Wegener

Answer 10

Alfred Lothar Wegener was a German climatologist, geologist, geophysicist, meteorologist, and polar researcher.

Question 11

Continental Drift

Answer 11

the hypothesis that staes that the continent once formed a single landmass, broke up, and drifted to their present locations

Question 12

Convergent Boundary

Answer 12

the boundary formed by the collison of two lithosphere plates

Question 13

Divergent Boundary

Answer 13

the boundary between two techtonics plates that are moving away from each other

Question 14

Transform Boundary

Answer 14

the boundary between tectonics plates that are sliding past each other horizontally

Question 15

Sea-floor Spreading

Answer 15

the process by which new oceanic lithospere forms as magma rises toward the surface and solidifies

Question 16

Pangaea

Answer 16

gigantic continent

Question 17

Laurasia

Answer 17

one of the two ancient supercontinents produced by the first split of the even larger supercontinent Pangaea about 200 million years ago,

Question 18

Gondwana

Answer 18

a large landmass, often referred to as a supercontinent, that formed during the late Neoproterozoic and began to break up during the Jurassic period.

Question 19

Mesosaurus

Answer 19

noun: mesosaurus
an extinct small aquatic reptile of the early Permian period, with an elongated body, flattened tail, and a long, narrow snout with numerous pointed teeth.

Question 20

Glossopteris

Answer 20

genus of fossilized woody plants known from rocks that have been dated to the Permian and Triassic periods