<p> Water Movement in the Ground - Report Sheet</p><p>Name: ______Date: ______</p><p>Particle size (mm): 4mm</p><p>Height of beads (cm) ______</p><p>Experiment Theoretical 1 Wetting front travel time (sec) 3.6 sec 2 Permeability rate of flow (cm/sec) 23 cm/sec 3 Water required to fill pores (ml) 120 ml 4 Percent pore space 40% 5 Water recovered (ml) 106 ml 6 Water retained (ml) 14 ml</p><p>Particle size (mm): 7mm</p><p>Height of beads (cm) ______</p><p>Experiment Theoretical 1 Wetting front travel time (sec) 3.0 sec 2 Permeability rate of flow (cm/sec) 10 cm/sec 3 Water required to fill pores (ml) 120 ml 4 Percent pore space 40% 5 Water recovered (ml) 112 ml 6 Water retained (ml) 8 ml Particle size (mm): 12mm</p><p>Height of beads (cm) ______</p><p>Experiment Theoretical 1 Wetting front travel time (sec) 1.5 sec 2 Permeability rate of flow (cm/sec) 20 cm/sec 3 Water required to fill pores (ml) 120 ml 4 Percent pore space 40% 5 Water recovered (ml) 116 ml 6 Water retained (ml) 4 ml</p><p>Questions: Complete the following questions with complete and grammatically correct sentences.</p><p>1. What is the effect on increasing particle size on each of the following: a. Percent Pore Space:</p><p> b. Water Retained:</p><p> c. Time Necessary for Infiltration:</p><p> d. Rate of Infiltration:</p><p>2. If an area has a small sized particles in the upper soil, what is the effect on each of the following: a. Runoff:</p><p> b. Time of Infiltration:</p><p> c. Rate of Infiltration: 3. Compared to the tube of large particle size, predict what effect mixing the particle sizes in one tube will have on: a. Its Percentage Pore Space:</p><p> b. Its Permeability:</p><p> c. Its Amount of Water Retained:</p><p>4. Which size particle (4mm, 7mm, or 12 mm) will have the greatest capillarity? WHY?</p><p>5. How far underground can water infiltrate?</p><p>6. These go together: a. What kind of experimental error in doing this experiment could adversely affect a team’s results?</p><p> b. What data would be affected by that error named in 6(a)? AND, would that data result in an increase, decrease, or remain the same?</p><p> c. How would you change your procedure to reduce the error names in 6(a)?</p><p>7. Name all of the factors that control the amount of water that flows through the soil.</p>