Give two reasons why your water usage may be more than that of the average person
Answers will vary - longer showers, more dishwashing, etc.
200
What is groundwater?
Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations
200
What are 4 types of precipitation?
Rain, snow, sleet, hail (answers will vary)
200
In which state of matter do the molecules move most rapidly?
gas
300
What was the purpose of the charcoal?
to improve taste, get rid of odors, and get rid of cloudy appearance
300
Looking on the graph on p. 14, which region uses the most water for mining?
Alaska
300
What is an aquifer?
A water-bearing layer of rock, sand, or gravel
300
Which part of the water cycle occurs in the clouds?
Condensation
300
Which state of matter takes the shape of the container and occupies the same volume as the container?
Gas
400
What is the process we used to trap and remove solid impurities?
Sand filtration
400
Looking on the graph on p. 14, which region uses the most water for irrigation?
West
400
What are the 3 states of water found on Earth?
solid, liquid, gas
400
What is it called when water leaves a plant and goes into the atmosphere?
Transpiration
400
What is the difference in density between a solid and a gas?
Solids are more dense.
500
If 500 mL of purified water was extracted from 2000 mL of foul water, what percent was purified?
25% (500 / 2000) = .25 x 100 = 25%
500
Why would the mean be closer to the national average than the median?
Median values help minimize the effect of extreme values
500
Rank in order of where most water is stored: glaciers, oceans, groundwater, lakes
oceans, glaciers, groundwater, lakes
500
Why do we have the same amount of water as in dinosaur times?
The water used by dinosaurs remains on Earth to be used by us. The hydrological cycle is one method by which water is continuously redistributed around the planet.
500
What is the phase change called when a solid goes directly to a gas without going through the liquid stage?