Mr. Fady Hany Chemistry Platform Secondary Stage

1 / 40

About 2%

Cryosphere (ice layer) (Polar regions, mountaintops, glaciated rivers)

2 / 40

1%

Freshwater (Rivers, Fresh lakes, grounwater)

3 / 40

97%

Seawater (Oceans, Seas, Salty Lakes)

4 / 40

78%

N2

5 / 40

21%

O2

6 / 40

0.93%

Ar

7 / 40

0.04%

CO2

8 / 40

Air Layer

Atmosphere

9 / 40

Water, minerals, gases, organic matter

Lithosphere

10 / 40

An Earth Layer

Lithosphere

11 / 40

Life Layer

Biosphere

12 / 40

Biotic factors

Biological Elements (Living organisms) like human, plants, animals and microorganisms

13 / 40

Abiotic factors

Physical and chemical elements such as light, air, water and soil

14 / 40

Ecosystem

community of living organisms and non living organisms interact with each other

15 / 40

70%

Water on the earth

16 / 40

30%

Land on earth

17 / 40

Closed system

Water Cycle (Hydrological cycle)

18 / 40

Process that absorb heat and increase temperature

Melting and Evaporation

19 / 40

Process that release heat and decrease temperature

Condensation and freezing

20 / 40

Physical States of water

solid, liquid, vapour

21 / 40

Respiration

Plants and animals

22 / 40

Respiration and transpiration

Plants

23 / 40

Water leaks through soil pores and sedimentary rocks forming

Groundwater

24 / 40

Cloud formation in water cycle in

Condensation

25 / 40

A process in water cycle in which liquid turn into vapour

Evaporation

26 / 40

A process in water cycle in which vapour turn into liquid

Condensation

27 / 40

A biological process occur in plants and lead to decrease temperature and create pull force

Transpiration

28 / 40

Microscopic openings on the surface of leaves and green stems

Stomata

29 / 40

Loss of water through stomata

Transpiration

30 / 40

Nitrogenous wastes

Ammonia, urea and uric acid

31 / 40

Excretion products

Carbon dioxide and water vapour + Nitrogenous wastes (Ammonia, urea and uric acid)

32 / 40

Acidic gases react with water vapour form

Acidic Rain

33 / 40

Acidic rain

Decompose rocks

34 / 40

Ideal solvent

Water

35 / 40

Water enters the cell through cell membrane with

Dissolved Nutrients

36 / 40

Water exit the cell through cell membrane with

Dissolved Wastes

37 / 40

Water / land ratio

7/3

38 / 40

Land / Water ratio

3/7

39 / 40

Water cycle change the earth surface continuously

Physically, chemically and biologically

40 / 40

Water and minerals rise upward from roots to the upper parts of the plant through

Xylem Tissue