Wonders U3W2 Why the Sun is Red

Flashcard
•
English
•
3rd Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the main reason the Sun appears red during sunset?
Back
The Sun appears red during sunset due to the scattering of light. As sunlight passes through more atmosphere, shorter blue wavelengths scatter out, leaving the longer red wavelengths.
2.
FLASHCARD QUESTION
Front
What does the term 'scattering' mean in relation to light?
Back
Scattering is the process by which light is forced to deviate from a straight trajectory due to irregularities in the medium it travels through.
3.
FLASHCARD QUESTION
Front
What is the atmosphere?
Back
The atmosphere is the layer of gases surrounding the Earth, which plays a crucial role in weather and climate.
4.
FLASHCARD QUESTION
Front
Why do we see different colors in the sky?
Back
Different colors in the sky are due to the scattering of sunlight by the atmosphere, which can change based on the time of day and weather conditions.
5.
FLASHCARD QUESTION
Front
What happens to sunlight when it passes through the atmosphere at sunset?
Back
At sunset, sunlight passes through a thicker layer of the atmosphere, causing more scattering of shorter wavelengths and allowing longer wavelengths like red to dominate.
6.
FLASHCARD QUESTION
Front
What is the significance of the Sun's color change for understanding weather?
Back
The color change of the Sun can indicate weather conditions; for example, a red sky at sunset may suggest clear weather ahead.
7.
FLASHCARD QUESTION
Front
What is a 'red sky' and what does it signify?
Back
A 'red sky' refers to the appearance of the sky during sunrise or sunset, often indicating weather patterns; a red sky at night suggests good weather.
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