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QUIZ - WATER AND WEATHER. 1) Why is the sky blue?. A) B ecause ordinary visible light has a wavelength of 0.4-0.7 µm (short wavelength). B) Due to ozone layer. C) B ecause of reflecting the sea. The right answer is:.
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1) Why is the sky blue? • A) Because ordinary visible light has a wavelength of 0.4-0.7 µm (short wavelength). • B) Due to ozone layer. • C) Because of reflecting the sea.
The right answer is: • A) Because ordinary visible light has a wavelength of 0.4-0.7 µm (short wavelength).
2) When can we see alpenglow? • A) When there was the rain today. • B) When the sky is not covered by clouds. • C) When solar flares are happening .
The right answer is: • B) When the sky is not covered by clouds.
3) Can we predict future weather by alpenglow? • A) No • B) Yes
The right answer is: • B) Yes
4) When can we see the halo effect? • A) Only in winter • B) Only in summer • C) All year
The right answer is: • C) All year
5) Who was the first person who described the halo effect? • A) Sokrates • B) Aristoteles • C) Platon
Right is: • B) Aristoteles • It was in the 4th century B.C.
6) Which conditions have to be met to watch the halo effect? • A) Light source, ice crystals, good observation post • B) Light source, ice crystals, rain • C) Light source, ice crystals, wind
The right answer is: • A) A light source, ice crystals, good observation post
7)Where are halo effects the most obvious? • A) In Australia • B) In Canada • C) In Antarctica
The right answer is: • C) In Antarctica
8) How do a giant pots arise? • A) Erosion • B) Corrosion • C) Sedimentation
The right answer is: • A) Erosion
9) How many giant pots are in the Czech Republic? • A) 600 • B) 3000 • C) 1500
The right answer is: • B) 3000
10) Can we hear the sounds of snowflakes? • A) Yes, we can. But we have to be absolutely quiet. • B) No, because people are not able to hear audio frequency between 50 – 200 kHz. • C) No, because snowflakes don't make noise.
The right answer is: • B) No, because people are not able to hear audio frequency between 50 – 200 kHz.