Electric beacon

High school (ages 12+)
Safety & Emergency

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/electric-beacon

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 optical system?Predominantly utilizes Fresnel lenses for beam concentration
2. What is the illumination technology?Evolved from carbon-arc and incandescent lamps to modern LEDs
3. What is an electric beacon and why do ships need it?It's a tall light that helps ships find safe paths. It shows bright beams that guide them, especially at night or in fog.
4. How does the Fresnel lens help an electric beacon shine so far?The Fresnel lens is made of many thin rings that focus light into a strong beam. It uses less glass and is lighter, so the light can travel farther.

Maritime Navigation Aids: Devices or systems that assist vessels in determining their position and course.
Fresnel Lens: A compound lens system composed of a central lens and a series of concentric annular segments.
Electronic Chart Display and Information System (ECDIS): A computer-based system used on ships to display electronic navigational charts and integrate information from various sensors.