Water Quality

Wastewater from people’s homes that can be recycled and put to good use. This wastewater comes from washing machines, kitchen sinks, bathroom sinks and the shower...

• Blackwater

• Greenwater

• Greywater

• Rainwater

Wastewater from people’s homes that contains raw sewage when we flush the toilet. This wastewater is called...

• Blackwater

• Greenwater

• Greywater

• Rainwater

Meeting the needs of today while also ensuring that future generations have enough water to meet their basic human needs is an example of...

• Restricted Use

• Sustainability

• Water Conservation

• Water Management Scheme

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

When scientist measure water in terms of the chemical (dissolved oxygen), physical (turbidity) and biological content (nutrients) of water they are assessing...

• Water Quantity

• Greenwater

• Greywater

• Water Quality

When the demand for water is greater than the water supply this is called a...

• Water Surplus

• Water Security

• Water Deficit

• Water Insecurity

A "Dead Zone" is an area in which aquatic life cannot survive because of low oxygen levels. Which of the following can cause "Dead Zones" in bodies of water? (Select all that apply)

• Combined sewer overflow event

• too many top predators

• excess nutrients from farm fertilizer

• a nuclear testing was done

• increased water temperatures

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Algal blooms can occur when untreated sewage ends up in freshwater systems like rivers and lakes. Biological waste, which is found in sewage may contain the following: (Select TWO that apply)

• Argon

• Oxygen

• Nitrogen

• Phosphorus

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The rapid growth of algae, called an algae bloom, can lead to the formation of dead zones that cannot sustain aquatic life. This is mainly because the algae bloom lowers the amount of...

• chemical pollutants

• dissolved oxygen

• freshwater runoff

• nutrients

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

During the process of eutrophication, dissolved oxygen levels decrease because...

• decomposers use it in cellular respiration

• the algae bloom uses it for photosynthesis

• plant nutrients react with the dissolved oxygen

• fish use it up

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Combined sewer overflow events (CSOs) occur during heavy precipitation and can overwhelm sewer systems. During this event...

• untreated sewage, rain water & grey water are released into a body of water

• untreated sewage, groundwater & greenwater are released into a body of water

• just untreated rain water and runoff are released into a body of water

• just treated sewage is released into a body of water

Tags

NGSS.MS-ESS3-4