The movement of water from earth to the atmosphere and back again
What is water cycle
100
How does contour ploughing prevent erosion?
Helps to keep water from washing down hill
100
Which held the most water: sand or soil and why?
Soil did because the particles were closer together keeping the water in.
100
the name for the ocean floor sloping down slightly.
What is Continental shelf
100
How does snow turn into ice as in a glacier
Huge amounts of pressure build up.
200
water vapour becoming liquid again
What is condensation
200
How would leaving strips of trees uncut along the property prevent erosion?
The wind does not blow the soil away.
200
Give ways people can be water wise
Turn off tap when not in use
Wash clothing when full load
wash dishes if you have a full load
200
Underwater volcano is called
What is seamount
200
Approximately how big is the Greenland glacier?
5 CN towers tall ( 2700 m)
300
AKA rain, sleet hail or snow
What is precipitation
300
Why is a river dredged? and what are the negative points of dredging?
A river is dredged to take the sediment out of the water. This could interrupt species that are trying to lay eggs.
300
Give 3 ways you waste water
Long showers
leaving tap running
wasting water in water bottles
300
Volcanic islands with eroded tops where the ocean covered them again.
What is guyot?
300
Explain what happened in the two erlenmyer flasks? How does this compare with the sea?
Cool water is more dense and sinks. Warm water is less dense and floats. This happens in the seas or oceans and causes there to be warm and cold water
400
Water returning back to earth into streams or the ground
What is collection (absorption)
400
What are benefits and dangers of levees?
A benefit of a levee would help to keep the water from rising too high.
A danger would be if the levee broke, the waters would not be able to go back into the river.
400
The two types of sewars
What is storm and sanitary sewars
400
Deep, steep sided drops in the ocean floor
What is Trench
400
How would you know which city is closer to an ocean? Talk about weather, and precipitation in your answer.
The city closer to the ocean would have more rain and usually warmer weather.
500
Water turning from solid to gas or gas to solid
What is Sublimation
500
Why do they deliberately cause avalanches
They cause avalanches to prevent people from being hurt or killed.
500
Describe the trip your water has down your sink (3)
Starts at sink, down into septic tank, out into tile bed.
500
Hawaii is an example of this
What is volcanic island
500
How does a lake or ocean affect the weather in the summer/winter
In the summer, the ocean keeps the land cooler and in the winter, it actually keeps the land warmer.