Forensics
What is the name of "NaCl"
Sodium Chloride/Table Salt
What are the three types of magma?
Basaltic/Mafic, Andesitic/Intermediate, Rhyolitic/Felsic
Why is the density of the Deep Layer (80% of ocean volume) often considered relatively homogeneous?
It is isolated from the extreme temperature and salinity changes occurring at the surface.
What percent of the earth’s water is freshwater?
3%
Who invented the first electric battery?
Alessandro Volta
Is linen a vegetable, animal, or synthetic fiber?
Vegetable
Approx what percent of earth's crust is feldspar (by weight)?
40%
During the day, phytoplankton photosynthesis in a coastal area consumes CO2 dissolved in the water.
This process causes the local water pH to:
Increase
Of all the elements recycled in the biosphere, this element is the scarcest and is usually the limiting factor in any ecological system:
Phosphorous
Approx how efficient are typical LED?
a) 30%
b) 60%
c) 90%
d) 100%
30%
What are the three steps of PCR?
Denature, anneal, and elongate/extend
What three minerals are responsible for the color of a Greenschist?
Epidote, Chlorite, and Actinolite
The California Current is a cool, slow-moving current that flows along the western coast of North America. What is its primary effect on the climate of the adjacent land?
It moderates the temperature, causing mild, often foggy conditions and low precipitation.
What is involved in the coagulation process?
Adding chemicals to water to neutralize the charge of suspended solids
Why are their no magnetic monopoles?
a) Valence electron interference
b) Quantized electron energies
c) Trick question, there are magnetic monopoles
d) That's just the way the universe works
D, just how it goes
Name one use of HDPE
Food containers, lumber, furniture, toys, flower pots, trash cans, signs
Finish the sentence: At higher temperatures, crystals tend to form in more _____ magma
Mafic
The Ekman layer depth is shallowest in which of these locations?
In a calm, stratified coastal area near the equator.
“Benthic” macroinvertebrates are those that
are bottom dwellers
How fast do electrons move through a typical DC current-carrying wire?
a) Exactly the speed of light
b) Almost (99.9999%) the speed of light
c) A few millimeters per second
d) Electrons don’t actually move in a wire
C, few millimeters per second
What type of scale is on squirrel hair?
Imbricate + crenate
What is a miscibility gap?
Composition range within which no single mineral is stable under a particular set of pressure and temperature conditions
Which of these oceanographic instruments is most commonly used to detect and track the movement of mesoscale eddies in the open ocean?
Satellite altimeters to measure sea surface height anomalies.
The salinity of Lake Michigan is between
50 to 500 ppm
Which type of capacitor is typically polarized?
a) Electrolytic
b) Ceramic
c) Film
d) SMT
A, electrolytic