Lesson 5

Question 1

Four spheres of the earth

Answer 1

Hydrosphere
atmosphere
geosphere
biosphere

Question 2

This made up of water found on earth on its surface underground and in the air

Answer 2

Hydrosphere

Question 3

The majority on earth’s water is found in the oceans accounting than what percent of the total hydrosphere

Answer 3

96%

Question 4

It is made up of all the living organism on the planet. It includes the plants animals bacteria and fungi

Answer 4

Biosphere

Question 5

From the greek word “ground”
It is composed of all rocks minerals and soil on earth.

Answer 5

Geosphere

Question 6

It is subdivided into lithosphere and asthenosphere

Answer 6

Geosphere

Question 7

It is the body of gas that envelopes earth

Answer 7

Atmosphere

Question 8

Layer of earth was approximately % nitrogen, % oxygen and rest is carbon dioxide

Answer 8

79% 21%

Question 9

It is the outermost and thinnest layer of the earth.

Answer 9

Crust

Question 10

Two kinds of crust

Answer 10

Continental crust
Oceanic crust

Question 11

This layer is located between the crust and the core. It is the second layer of the earth

Answer 11

Mantle

Question 12

It is the center of the earth. It is made iron nickel sulfur and uranium

Answer 12

Core

Question 13

Two zones of core

Answer 13

Inner core
outer core

Question 14

It is liquid due to high temperature

Answer 14

Outer core

Question 15

Solid due to high amount of pressure

Answer 15

Inner core

Question 16

All landforms within the earth

Answer 16

Continental crust

Question 17

The seafloor ocean basin and the ocean

Answer 17

Oceanic crust

Question 18

It is solid rigid and brittle it is where the plate tectonic exist.

Answer 18

Upper mantle

Question 19

It is made up of rocks that is partially molten due to high temperature

Answer 19

Partially molten asthenosphere

Question 20

Made up of rocks that flows like plastic

Answer 20

Solid asthenosphere

Question 21

It is the gatekeeper of the upper and lower mantle

Answer 21

Mantle transition

Question 22

It is called molten because it is a liquid that is made up of iron nickel sulfur and uranium

Answer 22

Outer molten core

Question 23

It is called solid because it is a metallic ball made up of iron responsible for electromagnetic forces and gravitational forces of the earth

Answer 23

Inner solid core