Turbidity Quiz (Choice Board)

What is turbidity?

• The measure of water salinity

• The measure of water temperature

• The measure of water clarity

• The measure of water acidity

What are the common causes of turbid waters in Chapel Hill?

• Oil spills

• Chemical pollution

• Sediment from erosion

• Industrial waste

Tags

NGSS.MS-LS2-4

How is turbidity measured?

• In parts per million (ppm)

• In Nephelometric Turbidity Units (NTUs)

• In pH levels

• In Celsius

What can turbid waters do to aquatic organisms?

• Increase their resistance to disease

• Improve their growth rates

• Clog their gills

• Enhance their ability to see food

Tags

NGSS.MS-LS2-4

What activities can help lower turbidity?

• Reducing dissolved oxygen

• Increasing stormwater runoff

• Applying industry-specific worst management practices

• Restoring eroded stream banks

What is the impact of turbidity on flooding?

• It reduces the stream bed build-up

• It increases the likelihood of flooding

• It has no impact on flooding

• It decreases the likelihood of flooding

What is the role of plant root systems in reducing turbidity?

• They increase erosion and turbidity

• They have no impact on turbidity

• They help hold soil in place and reduce erosion

• They absorb excess heat from the water

What is the purpose of using turbidity tubes?

• To measure water temperature

• To measure turbidity

• To measure water clarity

• To measure water salinity

What is the best approach to address turbidity at its source?

• Restoring eroded stream banks

• Reducing dissolved oxygen

• Applying industry-specific worst management practices

• Increasing stormwater runoff

Tags

NGSS.MS-ETS1-3

Who can be contacted for erosion issues at construction sites in Chapel Hill?

• Chapel Hill Storm Water

• Orange County Erosion Control

• National Park Service

• Environmental Protection Agency