ENV Water Quality and Quantity
Water Quality and Quantity Quiz
Test your knowledge on the vital aspects of water quality and quantity with our engaging quiz! Dive into questions that cover properties of water, sources of pollution, and the impact on aquatic ecosystems.
- 39 comprehensive questions
- Multiple choice format
- Learn while you play!
Match the significance to the Property of water: Water is colorless, affecting food production in aquatic ecosystems.
Water is an excellent solvent.
Water is transparent to visible light.
The maximum density of water is at 4 oC.
Water has high heat of evaporation, latent heat of fusion and heat capacity.
Match the significance to the Property of water: This characteristic determines the transfer of heat and water molecules between the atmosphere and the bodies of water; it stabilizes the temperatures of organisms and geographical regions.
Water is an excellent solvent.
Water is transparent to visible light.
The maximum density of water is at 4 oC.
Water has high heat of evaporation, latent heat of fusion and heat capacity.
Match the significance to the Property of water: This affects the transport of wastes and nutrients
Water is an excellent solvent.
Water is transparent to visible light.
The maximum density of water is at 4 oC.
Water has high heat of evaporation, latent heat of fusion and heat capacity.
Match the significance to the Property of water: Ice floats.
Water is an excellent solvent.
Water is transparent to visible light.
The maximum density of water is at 4 oC.
Water has high heat of evaporation, latent heat of fusion and heat capacity.
What type of Use of Water is the following:
• leaves water available for reuse without going through the hydrologic cycle
• industrial and thermoelectric power
CONSUMPTIVE USE
NONCONSUMPTIVE USE
What type of Use of Water is the following:
• renders water unavailable for further use
• evaporation, extreme pollution, seepage underground
CONSUMPTIVE USE
NONCONSUMPTIVE USE
• Water that infiltrate’s the ground’s surface
• exists below the land surface and consists of water and air that fills the pores fractures that exist underground
Groundwater
Water source
Surfacewater
Suspended Water
Occurs when harmful substances, often chemicals or microorganisms, contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment
Water Pollution
Surface Waste
Suspended Matter
Pollutants
CHIEF SOURCES OF WATER POLLUTION:
Those sources which discharge water pollutants directly into the water are known as
Point Source
Non-Point source
CHIEF SOURCES OF WATER POLLUTION:
Those sources which do not have any specific location for discharging pollutants, in the water body are known as
Point Source
Non-Point source
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Bacteria, Viruses, Protozoa, Parasitic Worms
• Source: Human and animal waste
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Nitrates, Phosphates,
• Source: Sewage, manure, agricultural and landscaping runoff
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Organic debris & waste + aerobic bacteria
• Source: Sewage, feedlots, paper-mills, food processing
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Oil, Gasoline, Plastics, Pesticides, Solvents, detergents
• Sources: Industrial effluent, Household cleansers, runoff from farms and yards
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Acids, Metals, Salts
• Sources: Surface runoff, Industrial effluent, household cleansers
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Soil, Silt
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Iodine, radon, uranium, cesium, thorium
• Source: Coal & Nuclear Power plants, mining, weapons production, natural
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
IDENTIFY THE MAJOR CATEGORIES OF WATER POLLUTANTS:
• Source: Powerplants, Industrial
Infectious Agents
Oxygen-Demanding Waste
Inorganic Chemicals
Radioactive Materials
Plant Nutrients
Organic Chemicals
Eroded Sediment
Heat/Thermal Pollution
TYPES OF WATER POLLUTION:
- Some wastewater, fertilizers and sewage contain high levels of nutrients.
- If they end up in water bodies, they encourage algae and weed growth in the water.
- This will make the water undrinkable, and even clog filters.
- Too much algae will also use up all the oxygen in the water, and other water organisms in the water will die out of oxygen starvation.
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- Surface water includes natural water found on the earth's surface, like rivers, lakes, lagoons and oceans.
- Hazardous substances coming into contact with this surface water, dissolving or mixing physically with the water can be called surface water pollution.
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- Water bodies have microorganisms including aerobic and anaerobic organisms.
- When to much biodegradable matter end up in water, it encourages more microorganism growth, and they use up more oxygen in the water.
- If oxygen is depleted, aerobic organisms die, and anaerobic organism grow more to produce harmful toxins such as ammonia and sulfides.
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- When humans apply pesticides and chemicals to soils, they are washed deep into the ground by rain water.
- This gets to underground water, causing pollution underground.
- This means when we dig wells and bore holes to get water from underground, it needs to be checked for water pollution.
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- Some pollutants (substances, particles and chemicals) do not easily dissolve in water.
- This kind of material is called particulate matter.
- Some suspended pollutants later settle under the water body.
- This can harm and even kill aquatic life that live at the floor of water bodies
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- Many industries and farmers work with chemicals that end up in water.
- These include chemicals that are used to control weeds, insects and pests.
- Metals and solvents from industries can pollute water bodies.
- These are poisonous to many forms of aquatic life and may slow their development, make them infertile and kill them
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
TYPES OF WATER POLLUTION:
- Oil spills usually have only a localized effect on wildlife but can spread for miles.
- The oil can cause the death to many fish and get stuck to the feathers of seabirds causing them to lose their ability to fly.
Nutrients pollution
Surface water pollution
Oxygen-depleting water pollution
Groundwater pollution
Suspended Matter
Chemical Water Pollution
Oil Spillage
Is the measure of optical clarity of water. It is reported in terms of NTU (nephelometric turbidity units).
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
Is imparted by dissolved organic substances or suspended particles, as well as some natural metal ions (Fe and Mn.) It is measured as either apparent color (due to suspended particles) or true color (due to dissolved substances)
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
Both parameters are lumped together because they can be subjective;
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
This affects several other important parameters such as: Density, Viscosity, Conductivity, Solubility, Reaction rates
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
Is the measure of resistance of water to the flow of electrons.
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
Is caused by dissolved minerals, largely Ca2+ and Mg2+ ions in combination with CO3 2- , HCO3 - , Cl- , and SO4 2- .
Color
Turbidity
Taste and odor
Temperature
Hardness
Electrolytic conductivity
Ca2+ and Mg2+ paired with chloride or sulfate. This type of hardness cannot be precipitated and needs to be removed by ion-exchange.
Temporary hardness
Permanent hardness
Ca2+ and Mg2+ paired with bicarbonate. This type of hardness can be removed by boiling or precipitating the metal ions as carbonates.
Temporary hardness
Permanent hardness
Measure of a body of water’s ability to sustain life
Chemical Oxygen Demand
Oxygen Demand
Nutrients
Dissolved Oxygen
Biochemical Oxygen Demand
Measure of the rate at which oxygen is used by microorganisms in decomposing organics
Chemical Oxygen Demand
Oxygen Demand
Nutrients
Dissolved Oxygen
Biochemical Oxygen Demand
Amount of DO that microorganisms need to degrade the dissolved organic matter in wate
Chemical Oxygen Demand
Oxygen Demand
Nutrients
Dissolved Oxygen
Biochemical Oxygen Demand
Measure of the amount of nitrogen and phosphorus in water
Chemical Oxygen Demand
Oxygen Demand
Nutrients
Dissolved Oxygen
Biochemical Oxygen Demand
Refers to the equivalent amount of oxygen (in ppm or mg/L) from a strong oxidizing agent to oxidize dissolved substances in water.
Chemical Oxygen Demand
Oxygen Demand
Nutrients
Dissolved Oxygen
Biochemical Oxygen Demand
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