Earth's Interior (unit 3

Question 1

Layer of solid rock that forms Earth’s outer “skin”Includes both dry land and ocean floor

Answer 1

The crust

Question 2

Continental crust, or the crust that forms the continents consists mainly of ______.

Answer 2

Granite

Question 3

Layer of solid, hot rock 40 kilometers beneath the surface

Answer 3

The mantle

Question 4

The layers of the mantle

Answer 4

Lithosphere
Asthenosphere
Lower mantle

Question 5

Uppermost part of the mantle and the crust for a ridge layer about 100 kilometers thick

Answer 5

Lithosphere

Question 6

Softer part of mantle below the lithosphere which is hotter and under increased pressure

Answer 6

Asthenoshpere

Question 7

Lower mantle

Answer 7

Solid material extending all the way to Earth’s core

Question 8

Layer of earth that is made of mostly metals, iron and nickle

Answer 8

The core

Question 9

Layer of molten metal that surrounds the inner core (only liquid layer)

Answer 9

outer core

Question 10

Dense ball of solid metal

Answer 10

inner core

Question 11

What creates Earth’s magnetic field?

Answer 11

Movement of the outer core’s liquid

Question 12

What are the TWO main types of evidence Geologists use to learn about Earth’s interior

Answer 12

Rock samples (from drilling)
Seismic waves (from earthquakes)

Question 13

Allow scientist to measure the speed in which they travel giving clues to the structure of the planet

Answer 13

Seismic waves

Question 14

Rock drilled from deep inside Earth allow geologist to make inferences about conditions

Answer 14

Rock samples