In your textbook, read about wells and confined aquifers. Use each of the terms below just once to complete the passage. artesian well drawdown recharge well To obtain water, a(n)7) __ must tap into an aquifer. The difference between the original water-table level and the water level in the pumped well is called the (8) __ . In order for the water supply of the wells to be replenished, water from precipitation and run -off must (9) __ the zone of satu- ration. A(n) (10) __ contains water that is under pressure, which may cause the well water to spurt into the air.

## Step 1<br />The first blank in the passage is asking for a term that refers to a structure that is used to access water from an aquifer. The term 'well' fits this description perfectly.<br /><br />## Step 2<br />The second blank in the passage is asking for a term that describes the difference between the original water-table level and the water level in the pumped well. The term 'drawdown' is used to describe this difference.<br /><br />## Step 3<br />The third blank in the passage is asking for a term that describes the process of water from precipitation and run-off entering the zone of saturation. The term 'echarge' is used to describe this process.<br /><br />## Step 4<br />The fourth blank in the passage is asking for a term that describes a well where water is under pressure, which may cause the well water to spurt into the air. The term 'artesian well' fits this description perfectly.