Human Impact on Water Resources - Cycle of Insanity

What human actions have reduced the size of some rivers and even stopped some from reaching the ocean? Select ALL that apply.

• building dams on rivers

• diverting water from rivers

• drilling wells and removing water from aquifers

• dumping sewage into rivers

​ (a)   of every four rivers no longer flows to the ocean due to misuse by humans.

• One
• Two
• Three

How does agriculture affect water quality? Select ALL that apply!

• Crops absorb water which creates runoff

• Over irrigation creates runoff

• Agricultural runoff carries chemicals into streams & rivers

• Pesticides & fertilizers can infiltrate into the ground and contaminate groundwater

What type of ecosystem is important for filtering water and reducing flood damage?

(a)  

What is a saltwater intrusion?

• A saltwater intrusion is the movement of seawater into freshwater aquifers.

• A saltwater intrusion is the phenomenon of rainwater flooding coastal areas.

• A saltwater intrusion is the process of freshwater evaporating into the atmosphere.

• A saltwater intrusion refers to the mixing of freshwater with polluted water.

​ (a)   is wastewater that flows down drains and through pipes from toilets and sinks. All sewage, whether treated or untreated, is released into the ​ (b)   or local lakes and ​ (c)   .

• Sewage
• ocean
• rivers
• Rainwater
• reservoirs
• Stormwater

Desalination is the process of removing ​ (a)   from ocean water to create ​ (b)   . Desalination uses ​ (c)   amounts of energy so it is not a good alternative source of freshwater.

• salt
• freshwater
• large
• sugar
• saltwater
• small

What does marine mean?

• Connected to atmosphere

• Related to land animals.

• Related to the sea or ocean.
• Related to freshwater ecosystems.

What are the 3 R's of water management?

• Filter, Purify, Distribute

• Save, Store, Supply
• Reduce, Reuse, Recycle

• Rain, Reservoir, Runoff

What is a rain barrel used for?

• A rain barrel is used for watering indoor plants.
• A rain barrel is used for collecting and storing rainwater.
• A rain barrel is used for heating water.