Inside Earth Flashcards
1
Q
The structure of Earth is sometimes compared to what?
A
A peach
2
Q
How many layers does Earth have, and what are they?
A
- The crust, mantle and core
3
Q
What is the innermost layer of Earth?
A
The core, the hottest part of Earth
4
Q
How thick is the core and what is it made up of?
A
About 1,400 miles thick and made up of melted iron and nickel
5
Q
What is the layer under the crust?
A
The mantle
6
Q
What is the mantle?
A
Very hot, solid rock
7
Q
What is the first layer of Earth?
A
The crust
8
Q
What is the crust made up of?
A
3 kinds of rock - igneous, sedimentary and metamorphic
9
Q
What state of matter is the inner core?
A
Solid
10
Q
What state of matter is the outer core?
A
Liquid
11
Q
What state of matter is the mantle?
A
Semi-solid (gooey)
12
Q
What state of matter is the crust?
A
Solid
