The sky appears blue during the day because of the way sunlight is scattered in the Earth’s atmosphere. When sunlight reaches the Earth’s atmosphere, it is made up of different colors of light. The short waves of blue light are scattered in all directions by the gases and particles in the atmosphere, making the sky appear blue to our eyes.
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MCQs
1. Why does the sky appear blue during the day?
A) Because the sun is blue
B) Because of the way sunlight is scattered in the Earth’s atmosphere
C) Because of the clouds in the sky
D) Because of the stars in space
Answer: B) Because of the way sunlight is scattered in the Earth’s atmosphere
Explanation: The blue color of the sky is caused by the scattering of sunlight in the Earth’s atmosphere.
2. Which color of light is scattered the most in the atmosphere, making the sky appear blue?
A) Red
B) Green
C) Blue
D) Yellow
Answer: C) Blue
Explanation: The short waves of blue light are scattered the most in the Earth’s atmosphere.
3. What happens to the other colors of light in the atmosphere?
A) They are absorbed by the Earth
B) They are reflected back into space
C) They are scattered in different directions
D) They turn into rainbows
Answer: C) They are scattered in different directions
Explanation: The other colors of light are scattered in different directions by the gases and particles in the atmosphere.
4. Which time of day does the sky appear blue?
A) Sunrise
B) Noon
C) Sunset
D) Midnight
Answer: B) Noon
Explanation: The sky appears blue during the day when the sun is high in the sky.
5. What makes the sky appear blue to our eyes?
A) The clouds
B) The stars
C) The scattering of blue light in the atmosphere
D) The reflection of the ocean
Answer: C) The scattering of blue light in the atmosphere
Explanation: The scattering of blue light in the atmosphere is what makes the sky appear blue to our eyes.
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