History
Gold Mining Processes
Environmental Effect
Chemicals
Solutions
100
What ancient civilization started mining gold?
Egypt
100
What is the name of the gold mining process that uses cyanide?
Heap Leaching
100
What is one of the things happening to the Amazon because of Gold Mining?
Deforestation
100
What chemical is commonly used to mine gold?
Sodium Cyanide
100
One way to help with this problem is to buy _____ gold.
Recycled
200
What is gold used for today? List 2.
coins, jewelry, dentistry, electronics
200
What is the name of the gold mining process that creates craters in the earth to extract gold from?
Open-pit mining
200
Name 3 physical effects of elemental mercury in the body.
Harmful effects on the nervous, digestive and immune systems, lungs and kidneys, death, tremors, insomnia, memory loss, neuromuscular effects, headaches and cognitive and motor dysfunction.
200
Draw the dot diagram for Mercury.
. HG .
200
Researchers at Northwestern University found that ___ can be used instead of cyanide and mercury.
Cornstarch
300
What medical uses does gold have? List 3
treating arthritis, cancer, tuberculosis
300
What gold mining practice involves extracting gold using mercury?
amalgamation
300
How many total tons of toxic waste do mining companies dump into rivers, lakes and oceans every year?
180 million
300
As many as how many chemicals are used in gold mining?
3 dozen
300
What organization is trying to clean up mines that contaminate water?
EPA (Environmental Protection Agency)
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