Where is the majority of Earth's freshwater located?
A. rivers
B. groundwater
C. polar ice caps
D. lakes
C. polar ice caps
( but is unavailable to us)
100
What two factors change waters density
Temperature and salitinity
100
What causes deep ocean currents
Change of density due to temperature in the ocean
(heat up cold down)
100
How does water move as a wave passes through them
Up and down
200
Explain how earths water cycle is balanced
as much water as annually is evaporated is percipitated
200
What powers the water cycle?
The Sun
200
Define Salinity
salt content of water
200
What are the 3 causes of waves
Gravity of moon and sun
Wind
Earthquakes
200
Which of the following does not occur as a result of upwelling?
A. Nutrient-rich waters are carried from the deep ocean to the surface.
B. Cooler water is carried from the deep ocean to the surface.
C. Primary production increases at the surface.
D. Warmer water is carried from the deep ocean to the surface.
D. Warmer water is carried from the deep ocean to the surface.
300
Where does the water table breach the surface
Spring
300
why is it important that the water cycle is balanced?
In order for the earth to not run out of water
300
_____ is the zone in the ocean where there is an extreme change in tempurature
Thermocline
300
Which tide is cause by the earth moon and sun forming a right angle
Neap tide
300
What is the distance the wind has traveled across open water
fetch
400
The percentage of holes in an area of the earths surface is referred to as what
Porosity
400
1. how does gradient affect a streams velocity
Higher the gradient(slope) the faster the velocity (speed )
400
______ is the zone of the ocean inwhich the is rapid change in density
Pycnocline
400
name the main gyres on the earth
North and south pacific
North and south Atlantic
Indian
400
What causes tsunamis
Earth quakes
500
_______ refers to waters ability to pass through an object
Permability
500
Which is an example of water condensing?
A. A puddle disappearing on a hot summer afternoon
B. Sweat forming on your forehead after you do a lot of exercise
C. Ice cubes melting when you put them out in the sun
D. Dew forming on plants during a cold night
D. Dew forming on plants during a cold night
500
Name the 3 parts of the layered ocean stucture
Surface
Transition
Deep
500
What are the 4 parts of a wave
Crest (top)
Trough (bottom)
wave length (crest to crest)
Wave height (crest to trough)
500
Phytoplankton are plantlike microbes that live in water. Most species of ocean phytoplankton are photosynthetic. How would phytoplankton change the concentrations of carbon dioxide gas and oxygen gas in the ocean?
A. They would take in oxygen gas and give off carbon dioxide gas.
B. They would take in carbon dioxide gas and give off oxygen gas.
C. They would take in both carbon dioxide gas and oxygen gas.
D. They would give off both carbon dioxide gas and oxygen gas.
B. They would take in carbon dioxide gas and give off oxygen gas.