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WorksheetsWater Unit Review
Total questions: 20
Worksheet time: 10mins
Fill in the blank: ______ substances have an affinity for water and can be dissolved.
Hydrophilic
Hydrophobic
Nonpolar
Insoluble
Fill in the blank: A _______ is an area where water percolates into an aquifer.
recharge area
discharge zone
evaporation site
runoff region
Fill in the blank: _______ refers to pollutants entering waterways from a general area, such as runoff from farmland or suburban communities.
Nonpoint source pollution
Point source pollution
Industrial discharge
Urban sewage
Fill in the blank: ______ is any naturally occurring liquid or frozen water containing low concentrations of dissolved salt and other total dissolved solids.
Fresh water
Salt water
Mineral water
Distilled water
Algae forming large floating mats in water polluted by nutrients
algal bloom
eutrophication
phosphorus
heavy metals
________ are toxic chemicals released by industrial facilities into waterways.
Chemical contaminants
Water pollutants
Industrial waste
Toxic substances
Fill in the blank: _______ is water that contains a high concentration of dissolved salts.
Salt Water
Fresh Water
Distilled Water
Mineral Water
Water is ______ because it has a positive end and a negative end.
polar
non-polar
neutral
ionic
Fill in the blank: A water footprint is measured in terms of the volume of water consumed, ________, and polluted.
evaporated
stored
transported
recycled
Fill in the blank: _________ is the water present beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations.
Groundwater
Surface water
Rainwater
Seawater
Fill in the blank: An _______ is an underground formation that contains groundwater.
aquifer
reservoir
well
cistern
Fill in the blank: ________ is a large accumulation of ice, snow, rock, sediment, and often liquid water that originates on land and moves down slope under the influence of its own weight and gravity.
Glacier
River
Mountain
Valley
Fill in the blank: ______ substances repel water, such as oil and fat.
Hydrophobic
Hydrophilic
Neutral
Ionic
Fill in the blank: _______ refers to pollutants entering waterways from a single discharge location, such as a pipe or ditch.
Point source pollution
Non-point source pollution
Diffuse pollution
Runoff pollution
Used water. It includes substances such as human waste, food scraps, oils, soaps and other contaminants.
waste water
acidic deposition
chemical contaminants
stormwater runoff
Fill in the blank: A _______ is an area of land that is drained by a river.
watershed
mountain
desert
plateau
The freezing/melting point of water is significant because it is the temperature at which water changes from a solid to a liquid or vice versa. What is this temperature?
0°C
100°C
-32°C
36°F
Pollution from industry through smoke and motor vehicles. Precipitation can bring those materials back down to earth and contaminate the water.
air pollution
chemical contaminants
wastewater
acid rain
The function of skimmers during an oil spill is to:
disperse the oil into smaller droplets
burn the oil on the water surface
physically remove the oil from the water
add chemicals to break down the oil
The behavior of ice in water is affected by its density. Which of the following best explains this behavior?
Ice is denser than water, so it sinks.
Ice is less dense than water, so it floats.
Ice has the same density as water, so it remains suspended.
Density does not affect the behavior of ice in water.
