City Lights

High school (ages 12+)
Geography

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/city-lights

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the primary function?Illumination for safety, commerce, and social activity
2. What is the scientific application?Nighttime light remote sensing for socio-economic analysis

Artificial Light at Night (ALAN): The presence of artificial light in the environment during nighttime hours.
Light Pollution: Excessive or misdirected artificial light that can obscure the night sky and harm ecosystems.
Nighttime Light Remote Sensing: The use of satellite imagery to detect and analyze artificial light emitted from Earth's surface.
Circadian Rhythm: The natural, internal process that regulates the sleep-wake cycle and other bodily rhythms over a 24-hour period.