Rocks and Earth

Question 1

Name the layers of the earth

Answer 1

crust, mantle, outer core, inner core

Question 2

feature of the crust

Answer 2

5-70km, mostly solid rock

Question 3

features of mantle

Answer 3

mostly molten rock, temperature between 500-2000 degrees, 2900 km thick thickest section

Question 4

features of inner core

Answer 4

mostly iron, solid because of extreme pressure temperatures up to 7000 degrees, 1200 km thick

Question 5

features of outer core

Answer 5

molten iron and nickel, temperatures between 4000-6000 degrees, 2300 km thick

Question 6

magma

Answer 6

hot fluid or semi-fluid material below or within the earth’s crust

Question 7

lava

Answer 7

hot molten or semi-fluid rock erupted from a volcano or fissure

Question 8

difference between magma and lava

Answer 8

magma is found with in the earths surface lava is on top of the crust