Optical Illusions In The Sky Reading Comprehension Passage and ... - Free Printable

Problem Overview:

The image contains a reading comprehension worksheet titled "Optical Illusions In The Sky". The task involves answering multiple-choice questions based on the provided text about optical illusions in the sky, such as the blue color of the sky, rainbows, auroras, and blue moons.

Solution Approach:

1. Read the Text Carefully: Understand the key concepts explained in the passage, such as why the sky is blue, how rainbows form, what causes auroras, and why the moon can appear blue.
2. Analyze Each Question: Match the questions with the relevant information from the text to select the correct answer.
3. Provide Explanations: For each question, explain the reasoning behind the chosen answer based on the text.

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Detailed Solutions:

#### Q1. The atmosphere of earth is like:
- Options:
a. The shell of an egg
b. The skin of onion
c. A thin blanket
d. A jelly

- Answer: c. A thin blanket
- Explanation: The text states, "The atmosphere of the Earth is like a very thin blanket in which the sun's rays pass through at different angles." This directly matches option (c).

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#### Q2. What is the color of sun’s light?
- Options:
a. Red
b. Yellow
c. Black
d. White

- Answer: d. White
- Explanation: The text mentions, "The white light, which includes all the colors of a rainbow, shines through the upper levels of the atmosphere." This indicates that the sun's light is white.

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#### Q4. Which of the following would act like a tiny prism?
- Options:
a. Chalk
b. A paper
c. A raindrop
d. A piece of wood

- Answer: c. A raindrop
- Explanation: The text explains, "The raindrops then act like tiny prisms. They bend the different colors in white light, so the light spreads out into a band of colors that can be reflected back as a rainbow in the sky." This clearly identifies raindrops as acting like tiny prisms.

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#### Q6. Why is sky blue?
- Options:
a. Reflection of sunlight off the ocean.
b. Our eyes can detect only blue color.
c. Blue color of sunlight is scattered while passing through the atmosphere.
d. None of the above

- Answer: c. Blue color of sunlight is scattered while passing through the atmosphere.
- Explanation: The text states, "The blue light then scatters across the entire planet. That is why the sky is blue, it does not reflect off the ocean water like some people believe." This explains that the blue color is due to scattering in the atmosphere.

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#### Q8. Which of the following is affected by a solar storm?
- Options:
a. Rainbow
b. Blue moon
c. Aurora
d. Rain

- Answer: c. Aurora
- Explanation: The text mentions, "Auroras are the result of interactions between the Sun and Earth’s outer atmosphere. They occur in response to energetic particles from a solar storm, which cause the gases of the thin upper atmosphere to glow." This directly links auroras to solar storms.

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#### Q10. What can cause moon to appear blue to observer?
- Options:
a. smoke
b. clouds
c. fog
d. rain

- Answer: a. smoke
- Explanation: Although the text does not explicitly mention this, it generally refers to atmospheric phenomena affecting the moon's appearance. Smoke can scatter light similarly to how the atmosphere affects the sky's color, potentially making the moon appear blue.

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Final Answers:

1. c. A thin blanket
2. d. White
4. c. A raindrop
6. c. Blue color of sunlight is scattered while passing through the atmosphere.
8. c. Aurora
10. a. smoke

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Summary:

Each question is answered by carefully extracting information from the provided text and matching it with the given options. The explanations ensure clarity and correctness based on the content of the passage.

Final Answer Box:
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