Exam (elaborations)
Science Water Systems Quiz #1.
- Module
- PHYA510: EKG PRACTICE STRIPS
- Institution
- PHYA510: EKG PRACTICE STRIPS
Science Water Systems Quiz #1.
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Science Water Systems Quiz #1Topics
● Water - What Do You Know/ (Pre-Quiz)
● Water on Earth
● The Water Cycle
● Ecological Footprint (water conservation)
● Water In the News
● What is Runoff?
● A River’s Journey
● Flood Plains
● Drainage Basins
● Groundwater
● Water Tables
● Water Above and Below Ground
● Comparing Oil Spills
● Environmental Consequences of Oil Spills
Question Types
Fill in the blank
Short (very) answers (listing, one/few word answers)
Multiple Choice
Water What Do You Know? (Pre-Quiz)
1. Approximately what percentage of earth is covered by water? Land?
approximately 71% water and 29% land.
2. Why are these numbers only approximations?
These numbers are only approximations because it is always changing since water
is constantly moving (H2O cycle)
,3. Does ‘freshwater mean the water is clean?
No, it does not.
4. Does freshwater have salt in it?
Yes, it has trace amounts.
5. Much of the water that goes to homes in the GTHA comes from Lake Ontario. What needs
to be
removed from Lake Ontario water before it can safely be consumed? List as many
things as
possible?
Living things, dirt, germs, salt, rocks/other objects, minerals, bacteria, animals, etc.
6. Define salinity.
The amount of salt (written in a percentage) in a body of water. 1.5%
7. What is the difference between a swamp and a marsh?
A swamp is wetland that has large trees/shrubs, whereas a marsh is a wetland that
has small bushes/veg.
8. What is an estuary?
A small stream fresh/salt water misi.
9. Where in Canada can you find an estuary?
St. Lawrence River.
10. There is very little biodiversity found in an estuary. Why?
There is very little biodiversity found in an estuary because it is the point where fresh
water and salt water converge therefor many species can’t adapt to the conditions.
11. Name all the oceans.
Atlantic Ocean, Pacific, Indian, Artic, Southern.
, 12. Water if found throughout our entire planet in all three states of matter. Give an example
of each.
Solid - glacier
Liquid - lake
Gas - water vapor
Water on Earth
WOE Definitions
transpiration: evaporation of water from living things, mainly plants
infiltration: process by which surface water enters the soil
water cycle: a continuous pattern in nature in which water moves as it changes state,
above, on, and below the surface of earth, there is no beginning or end to the cycle.
Conditions
There are two main conditions that determine which state water is in, temperature
and altitude.
Temperature When the temperature is very low, water changes from liquid to solid, in
the form of snow, frost, ice, etc. When the temperature is high, water changes from
liquid to gas, in the form of steam. High temperatures also increase the rate of
evaporation in which water changes to the gaseous state of water vapor.
Altitude It is closely related to temperature. With an increase in height, temperature
falls, and this in turn affects which state water is in.
Earth Water
The water on earth is the same it’s always been. water is recycled because no new
water is made. water moves through the different places of storage in the water
cycle and changes through the 3 states. Water vapor can also come from
transpiration from living things.
The Water Cycle
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