The world

Question 1

Solid rock and soil on land and sea floor

Answer 1

Lithosphere

Question 2

All living organisms and their interactions with non living organisms

Answer 2

Biosphere

Question 3

Hydrosphere

Answer 3

Water in all forms

Question 4

Element

Answer 4

A material that consists atoms of only one kind

Question 5

How many layers does the earth have and name all the layers

Answer 5

Crust, inner core, outer core, inner mantle, outer mantle

Question 6

Examples of element

Answer 6

Sodium (na), chlorine (cl), carbon (c), oxygen (o)

Question 7

Examples of compound elements

Answer 7

Water (H2O), salt (NaCl), carbon dioxide (CO2)

Question 8

Explain a compound element

Answer 8

two or more different elements chemically bonded together

Question 9

Name the 4 spheres

Answer 9

Lithosphere, atmosphere, hydrosphere and biosphere

Question 10

How many parts are there in the world and name these parts

Answer 10

The air, water, soil and biosphere

Question 11

Examples of interaction

Answer 11

Water cycle: the hydrosphere and atmosphere, the water on the surface of the ocean evaporates and becomes vapour

Volcanic eruptions

Question 12

How is soil created

Answer 12

It made with small grains, rocks broken down from the lithosphere

Question 13

Which layer of earth is the thinnest

Answer 13

The crust

Question 14

Which layer of the earth is the thickest

Answer 14

The mantle

Question 15

Which layer is the inner most layer

Answer 15

The core

Question 16

Which layer is closest to the core

Answer 16

The mantle

Question 17

Which layer is partially melted into a thick, sticky liquid

Answer 17

The mantle

Question 18

Which element does the Core mostly consists of

Answer 18

Iron

Question 19

Between the inner core and the outer core which one is solid

Answer 19

Inner core

Question 20

Between the inner core and the outer core which one is the hottest

Answer 20

Inner core

Question 21

Between the inner core and the outer core which layer is a liquid

Answer 21

The outer core