Evaporation
What is evaporation?
When the sun's energy turns liquid water into water vapor.
What is condensation?
When water vapor changes into water droplets.
What is precipitation?
Moisture that falls to the ground from clouds. Rain, snow, sleet, hail.
What is runoff?
Water flowing on Earth's surface.
What are the 3 states of water?
Water vapor (gas), water (liquid), ice (solid)
Evaporation turns liquid water into _________.
Water vapor
During condensation water is changed from a gas to a ________.
Liquid
When liquid water falls from clouds it is called _________?
Rain
What is groundwater?
Water that moves under Earth's surface.
What percent of the Earth's surface is water? And what percent of that is freshwater?
71% and 2.5%
Is evaporation a process that absorbs energy or releases it?
Absorbs energy
Tiny water droplets form ____________.
Clouds
When water vapor freezes it falls as ___________?
Snow
What is the process of water seeping into the ground called?
Ilfiltration
What are the two main factors that drive the water cycle?
Sun's heat & gravity
What is a special type of evaporation that happens when plants "sweat"?
Transpiration
What makes clouds visible?
Many water droplets reflecting and blocking light.
When rain freezes on the way down, it falls as ________.
Sleet
What is an aquifer?
Areas with porous rock and soil where groundwater is stored.
What is the process called when ice changed directly into a vapor? (skips the liquid stage)
Sublimation
What bonds between water molecules are broken to allow evaporation?
Hydrogen Bonds
Water condenses around _____________ in the atmosphere to form droplets.
dust particles
When updrafts pull ice particles back up and around, they fall as ________?
Hail
What is a reservoir?
Storage area of the water cycle.
What are 3 reasons why water is important? (what did we say in class?)
1. necessary for life; 2. affects climate "greenhouse effect"; 3. regulates Earth's temperature