Nervous about Third Grade Reading Comprehension Worksheet - Have - Free Printable

Problem: Reading Comprehension Check #3

The task involves answering questions based on the provided passage about "The Science of Rainbows." Below is a detailed explanation and solution for each question.

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#### Passage Summary
The passage explains how rainbows are formed when sunlight interacts with water droplets in the atmosphere. Key points include:
1. Sunlight is white light composed of all colors.
2. When sunlight enters a water droplet, it refracts (bends), reflects off the inside surface of the droplet, and then refracts again as it exits.
3. This process separates the colors of sunlight, creating a rainbow.
4. The colors appear in a specific order: red, orange, yellow, green, blue, indigo, and violet.
5. A double rainbow can occur if some light reflects twice inside the droplet, but it appears fainter and reversed in color order.
6. An optical illusion called an "arc" is created because we see only part of the full circle of the rainbow.

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Question 1: Which of these best reflects the main idea of the text?

- Options:
- a) Making Rainbows
- b) How Rainbows Occur
- c) All About Colors
- d) Optical Illusions

#### Solution:
The main idea of the text is to explain how rainbows are formed through the interaction of sunlight with water droplets. While colors and optical illusions are discussed, they are secondary to the primary focus on the formation of rainbows.

- Correct Answer: b) How Rainbows Occur

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Question 2: According to the text, what causes rainbows?

#### Solution:
The passage explains that rainbows are caused by the interaction of sunlight with water droplets in the atmosphere. Specifically:
1. Sunlight enters a water droplet and refracts (bends).
2. It reflects off the inside surface of the droplet.
3. It refracts again as it exits the droplet.
4. This process separates the colors of sunlight, creating a visible spectrum.

Thus, the cause of rainbows is the refraction, reflection, and refraction of sunlight through water droplets.

- Answer: Refraction, reflection, and refraction of sunlight through water droplets.

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Question 3: In paragraph 2, what is the meaning of the word "defect"? How can you tell?

#### Solution:
In paragraph 2, the word "defect" is used in the context of explaining why our eyes cannot detect certain wavelengths of light. The passage states:
- "Even if our eyes can't detect it, reflected light still contains all the colors."

Here, "defect" refers to a limitation or inability of our eyes to perceive certain wavelengths of light. The context clues ("even if our eyes can't detect it") indicate that "defect" means a flaw or shortcoming in our visual perception.

- Answer: "Defect" means a limitation or inability. We can tell this from the context that our eyes cannot detect certain wavelengths of light.

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Question 4: What does the triangle in the image represent? How can you tell?

#### Solution:
The triangle in the image likely represents the path of light as it enters, reflects, and exits a water droplet. This is inferred from the following points in the passage:
1. The text describes how sunlight enters a water droplet, reflects off its inner surface, and exits.
2. The triangular shape aligns with the description of light entering at one point, reflecting internally, and exiting at another point.
3. The triangle visually illustrates the refraction and reflection processes described in the text.

- Answer: The triangle represents the path of light as it enters, reflects, and exits a water droplet. This is evident from the description of light's behavior within the droplet in the passage.

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Final Answers:

1. b) How Rainbows Occur
2. Refraction, reflection, and refraction of sunlight through water droplets.
3. "Defect" means a limitation or inability. We can tell this from the context that our eyes cannot detect certain wavelengths of light.
4. The triangle represents the path of light as it enters, reflects, and exits a water droplet. This is evident from the description of light's behavior within the droplet in the passage.

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Boxed Final Answer:
\[
\boxed{b, \text{Refraction, reflection, and refraction of sunlight through water droplets.}, \text{"Defect" means a limitation or inability.}, \text{The triangle represents the path of light as it enters, reflects, and exits a water droplet.}}
\]