Brackish water

High school (ages 12+)
Environment & Earth

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/brackish-water

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 salinity range (‰)?0.5 to 30
2. What is the primary formation mechanism?Mixing of freshwater and seawater, particularly in estuaries
3. Where can we find brackish water?It is found where rivers meet the sea, like estuaries, as well as in coastal lagoons, salt marshes, and some underground aquifers.
4. Why do the salinity levels in brackish water change?Salinity changes because tides, river flow, evaporation, and rain mix fresh and salty water in different amounts.

Osmoregulation: The physiological process by which organisms maintain their internal water and salt balance.
Ecosystem Services: The benefits that humans derive from natural ecosystems.