Understanding Water Pollution Effects

What is the term for waste water and excrement conveyed in sewers?

• Sewage

• Eutrophication

• Biomagnification

• Filtration

Which of the following is a direct cause of water pollution?

• Discharge of untreated sewage into rivers

• Planting more trees

• Using solar panels

• Recycling paper

Tags

NGSS.MS-ESS3-4

What does the term "eutrophication" refer to?

• The process of water freezing

• The enrichment of water by nutrients, leading to excessive plant growth

• The removal of salt from seawater

• The process of water evaporation

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which water source is most susceptible to pollution from agricultural runoff?

• Groundwater wells

• Lakes and rivers near farms

• Deep ocean trenches

• Glaciers

Tags

NGSS.MS-ESS3-4

How does biomagnification impact organisms at higher levels of the food chain?

• It decreases the concentration of pollutants

• It increases the concentration of pollutants

• It has no effect on pollutant levels

• It removes pollutants from the food chain

Which of the following best describes the impact of water pollution on aquatic life?

• It provides more food for fish

• It can lead to the death of aquatic organisms

• It increases oxygen levels in water

• It makes water clearer

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

NGSS.MS-LS2-4

A factory is located near a river and releases untreated waste into the water. What could be a long-term consequence for people living downstream?

• Improved water quality

• Increased risk of waterborne diseases

• More fish in the river

• Cleaner drinking water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Given the following scenario: A lake near a city is experiencing frequent algal blooms. What is the most likely cause, and what could be a possible solution?

• Cause: Overfishing; Solution: Add more fish

• Cause: Excess nutrients from sewage; Solution: Improve sewage treatment

• Cause: Too much sunlight; Solution: Build shade structures

• Cause: Acid rain; Solution: Add baking soda

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

If a pollutant enters a river and is taken up by small fish, which are then eaten by larger fish, and finally by birds, what process is occurring?

• Filtration

• Biomagnification

• Eutrophication

• Sedimentation

Tags

NGSS.MS-LS2-3

A community wants to reduce water pollution in their local river. Which of the following strategies would be most effective?

• Dumping more waste into the river

• Treating sewage before releasing it into the river

• Building more factories near the river

• Using more chemical fertilizers on nearby farms

Tags

NGSS.MS-ESS3-3