F.lux

High school (ages 12+)
Science & Technology

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/f-lux

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 software type?Cross-platform computer program for display color temperature adjustment
2. What is the core functionality?Dynamically alters screen color based on time of day and geographical location
3. What is f.lux and how does it help my eyes?f.lux is a program that changes your computer screen to warmer, redder colors as it gets darker. This reduces blue light that can strain your eyes and helps you feel more relaxed before bedtime.
4. Why does f.lux change the color of my screen during the evening?Blue light in the evening can stop the body from making melatonin, the hormone that helps you sleep. f.lux shifts the screen to warmer colors to tell your brain it’s time to rest.

Circadian Rhythm: The approximately 24-hour cycle that regulates sleep-wake patterns and other physiological processes.
Color Temperature: A characteristic of visible light, measured in Kelvin, indicating the hue from cool blue to warm red.
Photobiology: The scientific study of the interactions of light with living organisms.
Melatonin Suppression: The inhibition of melatonin production, often caused by exposure to blue light at night.