Water Distribution
What is a reservoir?
A reservoir is used to store large amounts of water. Reservoirs can form naturally or be made by humans.
What is a water filter?
A process done to perform filtration on polluted water
What are microbes?
Microscopic living things, also called microorganisms
T or F: The majority of water on Earth is salt water
TRUE (97.5%)
What aqueducts does Boston's water flow through
Cosgrove and Wachusett Aqueducts
List examples of what we can use as filter media:
SAND, GRAVEL, BEADS, CHARCOAL, and SCRENS
Where are microbes found?
SOIL, WATER, AIR, LIVING THINGS
What is water pollution?
Can be NATURAL or HUMAN-caused: It happens when chemicals, waste, or natural materials enter a body of water.
How many metered delivery points does Boston's water need to run through before it can reach consumers?
1-29
How does the filtration process work?
1. Screening: Pollutants that are too large at stopped when water flows through the screens
2. Absorption: Pollutants "absorb" to the surface of filter materials
List the benefits of microbes
- Makes food (ie: bread)
- Helps make vaccines
- Is food for other living things
What is transpiration in the water cycle?
Plants release water vapor into the atmosphere in the presence of sunlight.
True or False: Running your tap with cold water and using a pitcher filter will help protect you from lead exposure
True
Why do we need filters?
Remove: DEBRIS, TOXIC CHEMICALS, MICROPLASTICS, METALS and MICROBES
You should boil drinking water and/or bleach non-drinking water to keep yourself safe
True
How does climate change impact the water cycle?
Global warming increases the speed and amount of evaporation --> Increases runoff, and the amount of precipitation
What are the THREE ways lead can enter water?
1. Corrosive water (can easily dissolve materials like lead)
2. Warm water
3. Stagnant water
What are the THREE places filters can be/are used?
1. Water treatment plants
2. Homes and buildings
3. Pools and tanks
How is water contaminated?
SEWAGE, STORMWATER RUNOFF, AGRICULTURE
What are the NATURAL causes of water pollution?
STORM DEBRIS, ALGAL BLOOMS, VOLCANOES