WorksheetsPotash
Total questions: 16
Worksheet time: 5mins
What layer is potash in?
Kayenta
Brushy Basin
Paradox
Halichita
How long ago was potash deposited into rocks in San Juan County?
20 million
40 million
120 million
310 million
When did the blue mountains (laccolithic magma intrusions) form in San Juan County?
11,000 years ago
1 million years ago
30 million years ago
300 million years ago
How is potash mined in San Juan County today?
open pit mine
underground mine
in situ mine
In a saltwater solution, what is the solvent?
saltwater
water
salt
heat
How is potash recovered from the solution mine?
through evaporation
through condensation
with heaters
through freezing
A student mixes 30 ml of water with 30 grams of sediment that contains salt. They are able to recover 22mL of saltwater solution. They mass the solution and discover it is 23.2 grams. How much salt is in the solution?
6.8g
1.2g
8g
23.2g
How does the potash mine get potash out of a solution of potash and water?
Freeze it
Evaporate the water
React it with acids
settle out the potash
Students were able to recover 112g of sugar water that has a volume of 100mL. How much sugar is in the water?
12g
10g
112g
100g
8g
The world was molten 4 billion years ago. It cooled and was covered in water that was green due to dissolved...
Iron
Salt
Copper
Oxygen
When oil, gas, and potash were deposited in San Juan county what was the environment like?
a hot sand dune dessert
swampy jungle with lots of trees
a marine area or ocean
temperate grassland
What is one of the highest paying jobs in San Juan County?
teaching
small business
health care
mining and extracting
city government- police
How did the atmosphere and the oceans on Earth get "filled with oxygen"?
photosynthesis of cyanobacteria
eukaryotic microorganisms
heterotrophic organisms
single celled LUCA that lived in the thermal vents created it
Bacteria started eating carbon dioxide and sunlight and farting out the oxygen. The oxygen reacted with iron creating ____________ rocks
red rusty
green slimy
blue teal
brown black
The Earth entered into a great ice age about 2.5 bya because
the bacteria took out all the carbon dioxide from the air
there were not enough greenhouse gasses to keep the Earth warm
both of the other answers are correct
Select the greenhouse gases
carbon dioxide (CO2)
methane (CH4)
oxygen (O2)
nitrogen (N2)
