What percent of Earth's water is fresh water?
What causes waves in the ocean?
Wind
Why do we need to keep our water clean?
Answers may vary
What is percipitation?
Any form of water that falls from the clouds ( rain, snow, sleet, hail)
What is an adaptation that helps fish breathe in the water?
Gills
What is the term for water that is safe to drink?
Potable water
What is the term for the rise and fall of sea levels ?
Tides
What is the continental divide ?
A natural boundary that separates watersheds that drain into different oceans
What is the process of water vapour turning into liquid water?
Condensation
What is an estuary?
An area where salt water from the ocean meets fresh water from rivers.
What process involves the conversion of salt water to fresh water using heat ( boiling)
Distillation
What is an advancing glacier?
Advancing glaciers grow and move forward
What is a watershed?
An area of land that drains all the streams and rainfall to a common place
What is the term for water movement from plants/trees to the atmosphere?
Transpiration
What is the term for the variety of life in an ecosystem?
Biodiversity
What is the measure of the amount of dissolved salts in water?
Salinity
How do waves effect shorelines?
They cause erosion and deposition of sediment
Why is dissolved oxygen important in water?
For aquatic organisms to survive!
What is evaporation?
The process of liquid water turning into vapour
What is an example of an adaptation that helps fish survive in the deepest parts of the ocean?
- Light e.g. angler fish
- Pressure e.g. blobfish
To call something "hard water" it needs to have
Calcium and Magnesium
What is the effect of the Moon's orbit ?
It causes the rise and fall of sea levels
aka tides
Name one method to generate fresh water from salt water
1- Reverse Osmosis
2- Distillation
What is runoff?
Water that flows over the ground surface to bodies of water
What adaptation helps fish survive in cold water?