How much percent of all Earth's fresh water supply is accessible?
1%
100
What is the difference between stalagmite and stalactite?
Stalagmite is from the ground. stalactite is not from the ground
100
Almost two thirds of the world's fresh water today is trapped in large masses of snow and ice.
What are glaciers?
200
What is the name for people who studies ocean systems?
Oceanographers
200
Why is water very salty near the North and South Poles?
Water freezes and changes into ice, which leaves the salt behind.
200
What usually separates one drainage basin form another?
A divide.
200
What are striations?
Scratch marks that are visible when ice melts.
200
Deep cracks that form across the front of the glacier.
What are crevasses?
300
What is the name for people who studies water systems?
Hydrologist
300
What is the freezing point of salt water?
-1.9 celsius degree
300
What is fresh waters density and freezing point?
0 degrees Celsius
1.00 g/mL
300
What makes rainwater slightly acidic?
Acidic water has calcium carbonate in it, which dissolves rocks
300
A person who studies Earth's water systems and helps find solutions to problems of water quality and quantity.
What is a hydrologist?
400
What are the 4 stages in the water cycle? List descriptions
Condensation: when water vapor turns back into water droplets
Evaporation: when ocean water evaporates to water vapor into the atmosphere
Precipitation: when the clouds release their load
Runoff: when the water on land finds it's way to streams or lakes or rivers
400
What is ocean waters' density?
1027 kg/m3
400
Where can you find fresh water?
Ice, ground water, run off water, glaciers
400
An area with many sinkholes.
What is a karst?
500
Condensation:gas to liquid
Evaporation: liquid to gas
Melting: solid to liquid
Solidification: liquid to solid
Deposition: gas to solid
Sublimation: solid to gas
State all the changes of states possible for water
500
Give the chemical formula (ex. h2o) of the two main dissolved solids found in ocean water.
What is Na+ and Cl-
500
How many percent of fresh water is trapped in glaciers?
2%
500
Name all 3 weathering types and give a description
Chemical: the rock that breaks down becomes a different substance
Physical: the rock that breaks down remains the same type of rock
Biological: is caused by living things
500
An area of built-up sediment deposited where a river empties into an ocean or lake.