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Ecology& physical phenomena. What is diffusion? What is diffusion? Positive effects of diffusion. Negative effects of diffusion. Negative effects.

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Prezentacja na temat: "Ecology& physical phenomena. What is diffusion? What is diffusion? Positive effects of diffusion. Negative effects of diffusion. Negative effects."— Zapis prezentacji:

1 Ecology& physical phenomena

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5 What is diffusion? What is diffusion? Positive effects of diffusion. Negative effects of diffusion. Negative effects of diffusion Bibliography

6 It is a spontaneous intermingling of two different, bordering gases, liquids or solids, occurring due to the movements of molecules. Diffusion occurs at all temperatures.

7 We can smell beautiful scents of flowers, scents of flowers, plants and perfume. plants and perfume. Insects, attracted by the scent, find food and at the Same time pollinate plants.

8 Plants produce oxygen which is Plants produce oxygen which is spread around spread around There is the possibility There is the possibility of creating chemical of creating chemical solutions and mixtures solutions and mixtures in nature in nature Diffusion has enabled creation Diffusion has enabled creation of matter in the universe of matter in the universe

9 Viruses and bacteria which cause infectious which cause infectious diseases are spread around Harmful gases and Harmful gases and liquids are transferred, which adversely affects the Earths atmosphere Ozone holes and acid rain appear appear

10 Surface water and groundwater become easily contaminated become easily contaminated owing to oil-tanker catastrophes, municipal and liquid industrial wastes Soil contamination by all kinds of dust and industrial waste, of dust and industrial waste, chemical fertilizers and pesticides

11 The presentation prepared by Natalia Stochła, student of I e group Encyklopedia powszechna PWN (Popular encyclopaedia PWN) the Internet :

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13 Negative physical phenomena in the environment

14 Lets think, what we can do to prevent the negative effects of these phenomena.

15 This is the hole people talk about so much.

16 Acid rain, acid snow and such is the snowman.

17 You know, doggy, we are passive smokers.

18 They are all covered in oil. What will happen to them?

19 I deluded myself that this river might be clean.

20 Hey buddy, read the signs!

21 Prepared by the Polish group. Translated also by the Polish group with some help of their English teacher Renata Drążek. Based on: Gawron Elżbieta: An illustrated book of physics problems, Educational Publisher FOSZE in Rzeszów (Ilustrowany zbiór zadań z fizyki, Wydawnictwo Oświatowe FOSZE w Rzeszowie) Wojciech Trzyna – Pictures (Rysunki) Wojciech Trzyna – Pictures (Rysunki)

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26 Niebezpieczna fala

27 Fala to zaburzenie, które się rozprzestrzenia w ośrodku wodnym lub powietrznym.

28 Fala może stanowić dla nas atrakcję…

29 Fala może także nieść śmierć…

30 Tsunami – fala portowa

31 Tsunami – fala portowa

32 Przyczyny powstawania tsunami.

33 Erupcja podwodnego wulkanu

34 Podwodny wstrząs tektoniczny Nagłe osunięcie lub wypiętrzenie fragmentu dna

35 Asteroida uderzający w Ziemię

36 Tylko znajomość mechanizmu powstawania tsunami oraz metod wczesnego diagnozowania zjawisk powodujących tsunami, może uchronić nas od tragedii. Możliwości diagnozowania stwarza fizyka.

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