unit 3 lesson1

Question 1

How did the solar system form

Answer 1

collapse of the solar nebula.
gathered into dense clouds

Question 2

what are materials that formed eatth

Answer 2

dust, dense rocky and metallic material

Question 3

define mantle

Answer 3

compositional layers below the crust

Question 4

describe sources of energy in earths interior

Answer 4

radioactive decay
collision
gravitational potential energy

Question 5

how was Earth’s layers formed

Answer 5

while earth was partially melted the particles moved due to gravity

Question 6

what is differentiantion

Answer 6

the process where force of gravity pulled high density particles to the core and low density materials to the surface

Question 7

what is the crust made of

Answer 7

oxygen silicon and aluminum

Question 8

what is the mantle made of

Answer 8

more magnesium less aluminumm and silicon than the crust

Question 9

what is the core made of

Answer 9

iron and nickle

Question 10

what are the compositional layers of eart

Answer 10

core, mantle, crust

Question 11

what are Earth’s physical layers

Answer 11

lithosphere
asthenosphere
mesosphere
outer core
inner core

Question 12

is the lithosphere solid liquid or gas

Answer 12

solid

Question 13

is the asthenosphere solid liquid or gas

Answer 13

solid like puddy

Question 14

is the mesosphere solid liquid or gas

Answer 14

solid, dense

Question 15

is the outer core solid liquid or gas

Answer 15

liquid

Question 16

is the inner core solid liquid or gas

Answer 16

solid

Question 17

what are seismic waves

Answer 17

waves of energy caused by the sudden breaking of rock

Question 18

how do scientists detect s waves

Answer 18

through earthquakes

Question 19

define lithosphere

Answer 19

outermost physical layer

Question 20

define asthenosphere

Answer 20

solid thin layer of matel material

Question 21

mesosphere

Answer 21

lower part of the mantle