Rivers
Describe some features of a mature river (at least 3).
slow moving, winding, meandering, full of sediments, caries small sediments
What is the top and the bottom of a wave called?
Crest and Trough
Does water have a high or low heat capacity? What does that mean?
High. It means it takes a lot of energy to raise or lower the temperature of water.
Where does Winnipeg get it's drinking water?
Shoal Lake
Why is ocean water salty
runoff from mountains picks up salt and minerals from the rocker it runs over.
What are some things that can be done to prevent flooding?
levees, dikes, floodway
Name at least 3 parts of the water cycle
Precipitation, Condensation, Runoff, Transpiration, Evaporation, Collection
What are tides?
The slow rise and fall of the ocean
How can you conserve water?
-take shorter showers
-check for leaks
-get high efficiency toilet
-etc.
What percent of all of the water in the world is saltwater?
97%
This is a special name for a lake that used to be part of a river.
Oxbow
What is the name for the removal of salt from water?
Desalination
What causes ocean currents?
wind, density of water (salt and temperature), rotation of the earth
Why is it important to conserve water?
-protect the environment, we have a limited amount of it, the uses of water are endless, saves energy, saves money, etc.
What is a wave?
A large ripple set in motion by steady winds.
Where does all of the water in our watershed drain to?
Lake Winnipeg
DAILY DOUBLE !!!
What is Ms. Pope's favourite flavour of Bubly? Lime, Grapefruit, Cherry, or Strawberry?
Cherry
What is spring tide?
Spring tide happens twice a month when the moon, sun, and earth are all lined up, causing there to be a large tidal range.
What are neap tides?
When the sun and moon are at a 90 degree angle with the earth and tidal ranges are small.
What are some major water issues facing the world today?
Algae in Lake Winnipeg, zebra muscles, plastic in the ocean, water scarcity in some countries, boil water advisories
What are the names of the 5 drainage basins in Canada?
Atlantic, Arctic, Pacific, Hudson Bay, Gulf of Mexico
Why does Vancouver have a more mild climate than Winnipeg?
Because they are on the coast near the ocean. Since water has a high heat capacity, it regulates the temperature
Why is the ocean salty?
Water washing over mountains and rocks absorbs salt and minerals and brings them into the ocean. When water evaporates from the ocean, salt stays in the water.
What are some of the steps involved in the cleaning of water (name at least 3)?
filtration, settling, chlorination, fluoridation
What direction do currents move in the northern hemisphere?m(clockwise or counterclockwise)
Clockwise