Flashcards

Earth Exam 3

aznboy784 English 20 cards

Cards in this deck (20)

1Heat Capacityo Amount of heat needed to raise its temperature
2True or False? The Water in the ocean is pure.False.
3What is Salinity?• The fraction of salt dissolved in water
4• How can you tolerably drink salt water?o Add more water.
5• Salininometero Measures the salinity of water.
o Applies a voltage through the solution
6• If you had pure water is it a good conductor?No.
7• Why is the ocean salty?o The salt comes from rivers.
o Volcanoes
8More Sunlight = More life!Blank
9o Echo sounder Can be used to calculate depth.
 Speed of sounds is not a fixed number in water.
10• Where do life forms get energy?o Chemical reactions
11• It is difficult to change the temperature of water.o The water is not as hot as the continents in the summer
12equatorial current can reverse these currents This brings heavy rains and floods to Ecuador and Peru
13• Ocean wave is not moving water.o The direction the wave is moving is not the direction the water is moving.
14• What is the physical meaning of the frequency?o No universal interpretation.
15High Frequency colorViolet
16Mid Frequenc ColorYello
Green
17Low Frequency ColorRed
18• Describe to a child a sound wave with large amplitude and high frequencyo Loud and high
19• Waveso Two categories
 Transverse Wave
 Longitudel wave
20Light is a X wavetransvers wave

Description: Flashcards on Earth Exam 3, created by aznboy784 on 15/04/2015.
Created by: aznboy784
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