8.E.1.4

Point source pollutant

• loosely clumped masses of fine particles
• pollution that comes from many sources
• a single identifiable source of pollution

Non-point source pollutant

• pollution that comes from many sources
• a single identifiable source of pollution
• process of removing something unwanted from a liquid or gas by using a filter

Filtration

• process of removing something unwanted from a liquid or gas using a filter
• natural process in which material is carried to the bottom of water and forms a solid layer
• loosely clumped masses of fine particles

Flocs

• Groups of birds
• loosely clumped masses of fine particles
• change to a solid state

Sedimentation

• the natural process in which materials are carried to the bottom of water and forms a solid layer
• the process of removing something unwanted from a liquid or gas by using a filter
• water that is safe to drink

Which of the following are indicators of an unhealthy water source?

• high turbidity, low temperatures and high pH.
• Low turbidity, high temperatures and low pH
• High turbidity, high temperatures and neutral pH
• High turbidity, high temperatures and low pH

How is temperature is associated with dissolved oxygen? 

• Low temperature, low dissolved oxygen
• Low temperature, high dissolved oxygen
• High temperature, High dissolved oxygen

Tags

NGSS.MS-PS3-4

What causes an extremely rapid growth algae (algal blooms)?

• Nitrates and Phosphates 
• Sunlight
• Water
• Photosynthesis

Tags

NGSS.MS-LS2-1

Which of these is an example of a non-point source pollution?

• Damaged sewer pipes or systems
• Leaking underground oil tanks
• Salts from irrigation of farm fields
• Release of chemicals from paper mills or other industries into streams

What mostly describes turbidity? 

• Algae growth
• Cloudy water
• Measure of how acidic or how basic the water is
• Measure of how clear the water is