This activity helps students describe the various components that make up a coastline.


  • Chart paper or chalkboard
  • Chalk, pens, pencils or markers


  1. Write down a coastline concept such as "salt marsh" in the middle of a big piece of paper or chalkboard.
  2. Draw a circle around it and have the students think of the main components that make up a coastline.
  3. Then have the students consider additional features that come to mind.
  4. Add those words and phrases connected by a line to the central idea.
  5. Continue to add descriptions of features for each new phrase added until you feel it gives a comprehensive picture of all that salt marsh encompass.
  6. Variation: This activity could also be done after visiting a site.

Concept web example

Concept web example