DEFINITIONS
What is melting?
The change of state that occurs when a solid turns into a liquid.
What is Run Off?
Water from snowmelt and rain that flows over the surface of the earth.
What are the three states of matter?
Solid, Liquid, Gas
What is a watershed divide?
The invisible line of land where water on one side drains to one drainage basin and on the other side it goes somewhere else. (eg. rocky mountains drain two different ways)
What are the two main stages of Water Treatment?
- Removal of solids/particles
- Disinfection
What is Freezing?
The Change of state that occurs when a liquid becomes a solid.
What is Groundwater?
Water that is underground - in soil and cracks in rock. This is where springs and wells get water from.
What is a Glacier?
A river of ice formed formed from snow accumulated over hundreds of years.
If you lived in Victoria BC what drainage basin (Watershed) would your water drain to?
The Pacific Ocean Drainage Basin
In Halton, how long does it typically take to treat our water from start to finish?
24-36 hours
What is evaporation?
The change of state when a liquid becomes a gas.
What is Precipitation?
What does a water Molecule look like?
A red Oxygen molecule with two white hydrogen molecules attached to it.
If you lived in Montreal, Quebec where would your water drain to?
The Atlantic Ocean Drainage Basin
What are the three types of disinfectants used in water treatment?
Ozone, Chlorine, UV light treatment
What is Condensation?
The change of state when a gas becomes a liquid.
What is an Ice Cap?
A large area of ice that permanently covers land.
What is a Watershed?
A watershed is an area of land where rain, snow and groundwater all drain into a common body of water (ocean)
If you lived in Moose Jaw Saskatchewan where would your water drain to?
The gulf of Mexico Drainage Basin
Why could water be different colours?
Water can be different colours depending on what kinds of minerals/particles are dissolved in it.
What is Deposition?
The change of state where a gas turns right into a solid (skips the liquid state).
What is an Aquifer?
A formation of loose rock or soil that is saturated with groundwater.
Where does our water go in Burlington?
Several creeks - Hagar Creek, Tuck Creek and Rambo Creek nearby drain into Lake Ontario, down the St. Lawrence and into the Atlantic Ocean
If you lived in Yellowknife, NWT, where would your water drain to?
The Arctic Ocean Drainage Basin
What are two cities examples of failures in waste water treatment/Clean water issues in Canada.
- Walkerton
- Kashechewan First Nation
What is Sublimation?
The change of state that goes from a solid straight to a gas. (SKIPS THE LIQUID STATE)
What is the Water Table?
The invisible line underground that represents the top of an aquifer. All the rock and soil below the water table is full of groundwater.
What is a floodplain?
A low lying area of ground susceptible to flooding.
If you lived in Churchill, Manitoba, where would your water drain to?
What were the best ways to prevent a flood during our online GIZMO activity.
- Using the structural feature of stilts
- Living behind a levy
- Adding sandbags to your exisiting house