1. Question: How does water collect underground
Question: How does water collect underground? Use the terms permeable and impermeable in your answer.
Groundwater
Water found underground in the cracks and spaces in soil, sand and rock.

2. Question: Why can permeable ground hold water?
A substance that liquids can flow through. Soil, sand and gravel are permeable because there are spaces between the particles.

3. Question: Why does impermeable ground not able to hold water?
A substance that liquids cannot flow through. Rocks such as granite are impermeable.

4. Question: How does an aquifer form
Question: How does an aquifer form? (Hint: use page 26C in your textbook.)
Aquifer
An underground layer of permeable rock or sediment that contains water.

5. Question: If you were on the surface in the pictures below, how far down would you have to dig to get water? Use water table in your answer.
Water Table
The top of the area underground that is saturated, or completely filled with water.

6. Question: If drainage basin was a bowl what would the divide be?
A ridge, or continuous line of high land that separates drainage basins.

7. Drainage Basin or Watershed
Question: When it rains, how does the water flow and collect in a drainage basin?
Drainage Basin or Watershed
An area into which all of the water on one side of a divide flows. The water collected in the watershed seeps into the ground or flows downstream into rivers, streams, and lakes.