16. The water eventually has to come down… Water condenses onto tiny particles Droplets collide and grow in size and weight Enough collision occur to override the updraft speed Droplets fall
17.
18.
19. Water that falls as rain and snow infiltrates into the subsurface of soil and rock. Some stays in the the soil, some may enter a stream, and some may infiltrate deeper and recharge ground aquifers.
35. "The Water Cycle: Infiltration." USGS Science for a Changing World. N.p., n.d. Web. 8 Feb. 2011. <http://ga.water.usgs.gov/edu/watercycleinfiltration.html>.
36. Science Bus. Home page. The Science Bus Experiment. Black Ridge Media, 2007. Web. 28 Feb. 2011. <http://www.sciencebus.co.uk/topics/states.html>.
37. Missouri Botanical Garden. "The Water Cycle Introduction." MGBnet. The Evergreen Project, 2005. Web. 28 Feb. 2011. <http://www.mbgnet.net/fresh/index.htm>.