Activities

1. Define a wetland.
   
   
2. Name three types of bodies of water where you will find fresh water.
   
   
3. Name two types of bodies of water where you will find salt water.

4. What do you think would happen if a fish that only lived in salt water is moved to a fresh water lake?  Why do you think this would happen?
   
   
5. How are a lake and an ocean alike?  How are they different?

6. Your friend argues that fresh water is more important than salt water.  Do you agree or disagree?  Use at least three facts to explain your opinion.

Answer Key/Rubric

1. A wetland is land that is covered with water or has wet soil for all or part of the year.
   
   
2. Examples include, but are not limited to: some lakes, rivers, streams
   
   
3. Examples include, but are not limited to: some lakes, oceans, salt marshes

4. Acceptable responses may include, but are not limited to:
   • Fish would die because fresh water fish cannot breathe in salt water.
   • Fish would adapt and learn to be able to breathe in salt water.

5. Acceptable responses may include, but are not limited to:
   • Both are bodies of water.
   • Both are home to many plants.
   • Both are home to many animals.
   • Both have tides.
   • Lakes are enclosed by land.
   • Lakes are much smaller than oceans.
   • Much of the ocean is unexplored.
   • Lakes can have fresh or salt water. 
   • Oceans have salt water.

6. Acceptable responses may include, but are not limited to:
   • People can only survive by drinking fresh water.
   • Many of the animals that people eat need fresh water to survive.
   • Fresh water is needed to water crops.