Groundwater is so deep in the ground that it's difficult and expensive to access. Hold up Cup 3. One of the cups represents fresh water that people can't use. One cup represents fresh water people can use. When your groups finds out which cup is which, write down your response.
People can use the water in lakes and rivers.
There's also water underground called groundwater. As a group, write down your answer. As a group, write down your answer. Choose someone from your group to tell the class your group's thoughts during this activity. Ask each group to select a spokesperson.