Earth layers, Characteristics, Plate tectonics, and Convection current

Question 1

The earth is divided into 4 layers which are

Answer 1

Inner Core, Outer Core, Mantle, Crust

Question 2

The Crust is the thinnest and makes up …% of the earth and is broken into many pieces called…

Answer 2

1. 1%
2. Plates

Question 3

The Crust’s thickness is about…

Answer 3

5-100 km

Question 4

There are 2 types of crust which are

Answer 4

Oceanic: Very dense, made of basalt

Continental: Less dense, made of granite

Question 5

The mantle is the largest/smallest layer of the earth and is divided into two regions which are…

Answer 5

1. Largest
2. Upper and Lower sections

Question 6

The Outer Core is solid/liquid/gas and is made up of steel/iron/a bunch of metals squeezed together

Answer 6

1. Liquid
2. Iron

Question 7

The Inner Core is solid/liquid/gas and is made up of steel/iron/a bunch of metals squeezed together

Answer 7

1. Solid
2. A bunch of metals squeezed together

Question 8

The Physical Structure of the Earth has two parts which are…

Answer 8

Lithosphere and Asthenosphere

Question 9

Lithosphere is the

Asthenosphere is the

Answer 9

Rigid outer layer (crust)

Solid rock that flows slowly (like hot asphalt)

Question 10

Tectonic Plates:
Earth’s crust is broken into about … pieces

These plates move on top of the

Answer 10

1. 19
2. Asthenosphere

Question 11

The three movements of plates are

Answer 11

Away from each other
Toward each other
Past each other

Question 12

When Plates move together they form

Answer 12

Mountains or Volcanoes are formed

Question 13

When Plates move past each other what occurs

Answer 13

Earthquakes

Question 14

Which layer is the hottest

Answer 14

Inner Core