WorksheetsSalt and Gold (13.2.2+13.2.6)
Total questions: 26
Worksheet time: 13mins
Which statement best explains why merchants traveled to Timbuktu on trans-Saharan routes carrying salt?
They exchanged copper for rare gemstones
They delivered grain during drought seasons
They sought spices worth more than gold
They traded salt for equal weights of gold
Which conclusion about salt scarcity today is most accurate?
Salt is scarce because oceans lack minerals
Salt remains scarce across most continents
Salt is no longer considered scarce globally
Salt is scarce only in polar regions
What method still links Timbuktu with Africa’s salt mines in some areas today?
Container ships along river ports
High-speed rail hauling bulk minerals
Traditional camel caravans traveling long distances
Air cargo routes across the Sahara
Which is the most important modern use of salt highlighted by scientists?
Maintaining life through essential body functions
Flavoring food in global cuisines
De-icing highways in cold winters
Preserving meats for long storage
Which description best characterizes work in traditional salt mines?
Seasonal and lightly supervised tasks
Automated and climate-controlled work
Dangerous and physically demanding labor
Quiet and largely solitary activity
What does the expression “back to the salt mines” most directly acknowledge?
Returning to unpleasant or punishing work
Leaving a job for a long vacation
Celebrating miners with national honors
Starting a profitable new venture
Which health roles are correctly linked to the elements in salt?
Sodium stores energy; chloride forms protein chains
Sodium aids nerve signals; chloride regulates acidity
Sodium builds bone mass; chloride carries oxygen
Sodium fuels muscles; chloride makes antibodies
Why is salt no longer as valuable as it once was in global trade?
It lost all uses in modern industry
It can only be found in rare desert lakes
It is inexpensive and relatively easy to produce
It became illegal to trade internationally
Which two countries currently produce the most salt worldwide today?
Brazil and Australia
China and the United States
India and Russia
Egypt and Saudi Arabia
Which list shows four major techniques of salt production?
Glacier scraping; volcanic venting; peat boiling; reef blasting
Underground mining; ocean evaporation; solution mining; solar recovery
Open-pit quarrying; river dredging; sand sifting; ore smelting
Steam cracking; chemical catalysis; vacuum distilling; gasification
Around what time did the Saharan salt trade begin to expand due to the camel’s introduction?
About 200 C.E., when camels entered Saharan trade
Circa 1200 C.E., during Mongol conquests
Around 1500 C.E., with Atlantic caravels
Around 800 B.C.E., with early Phoenician sailors
What does the ancient Roman road name Via Salaria directly translate to in English?
Silk Road
Royal Way
Salt Road
Trans-Trade Route
Which daily challenge most directly affects workers at Senegalese salt flats?
Scorching sunlight and harsh salt exposure
Frequent machinery breakdowns and delays
High-altitude cold and thin air conditions
Toxic fumes from chemical processing
For thousands of years, the desire to possess gold has primarily driven people to do which of the following?
Invest mainly in agricultural projects
Avoid exploring mountains and forests
Focus on peaceful trade negotiations
Pursue extremes like wars and conquests
Which statement best describes gold’s practical value to human survival?
It is required for basic economic foundations
It is not vital and has relatively few uses
It powers most modern medical devices
It is essential for daily human survival
It is the only metal that conducts electricity
Which combination of properties helps explain why gold became highly coveted?
Magnetic strength, porosity, and quick tarnish
Radioactivity, fragility, and rapid corrosion
Light weight, brittleness, and dull appearance
High density, malleability, and imperishable shine
Historically, gold has symbolized which set of ideas most consistently?
Beauty, health, and immortality
Chaos, decay, and impermanence
War, conquest, and obedience
Frugality, humility, and silence
About how much gold has been mined in all of history, and when was most of it extracted?
Roughly 6,000 tons; during the 1500s
About 160,000 tons; before the 1800s
Around 60,000 tons; in ancient empires
Around 16,000 tons; over the past 60 years
Where does most of the remaining gold to mine exist today?
Under shallow riverbeds worldwide
As nuggets in well-studied open pits
In large veins near major city centers
As traces in remote and fragile regions
Roughly how many artisanal (small-scale) miners exist worldwide, and what share of new gold do they produce?
Around 5–7 million miners, about one-half of gold
Over 20 million miners, about one-tenth of gold
Between 10–15 million miners, about one-quarter of gold
Fewer than 3 million miners, about three-quarters of gold
What are some of the negative impacts that have happened with regard to gold mining around the world? CHOOSE 3
Armed groups used gold profits to fund violence and terrorize miners
Cross-border disputes forced miners to relocate across provinces
Toxic dams repeatedly collapsed near rural villages
Protestors faced tear gas and police violence
Forcible evictions and village burnings to clear the area
How is the use of mercury by small-scale miners hazardous?
They separate gold from rock with mercury, which poisons air and water
They harden mine shafts with mercury, which corrodes metal supports
They clean equipment with mercury, which damages protective gear
They fuel generators with mercury, which releases explosive vapors
What fraction of human-released mercury into the environment is estimated to come from artisanal gold mining, according to UNIDO?
About one-third of global mercury emissions
Roughly one-tenth of global mercury emissions
Nearly one-half of global mercury emissions
Less than one-twentieth of global mercury emissions
Which techniques characterize large-scale gold mining operations, and how much of the world’s new gold do they produce?
Mountain adits with mule transport systems, about one-third
Vast open-pit mines with supersize machines, about three-quarters
Deep underground tunnels with hand tools, about one-quarter
River panning with small dredges and rafts, about one-half
Compared with other metals, how does gold mining rank in waste generated per ounce?
It generates more waste per ounce than any other metal
It produces similar waste per ounce to most base metals
It generates slightly less waste per ounce than copper
It produces the least waste per ounce among precious metals
How much rock and ore may need to be removed to produce a single ounce of gold at some operations in eastern Indonesia?
Nearly 1,000 tons of rock and ore
About 2.5 tons of rock and ore
Roughly 25 tons of rock and ore
More than 250 tons of rock and ore
