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| 1 | |
The Big Bang occurred |
| | A) | 10 to 15 billion years ago |
| | B) | 3.8 billion years ago |
| | C) | 4.5 billion years ago |
| | D) | 450 million years ago |
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| 2 | |
The Earth and the rest of our solar system formed |
| | A) | 10 to 15 billion years ago |
| | B) | 3.8 billion years ago |
| | C) | 4.5 billion years ago |
| | D) | 450 million years |
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| 3 | |
The two most abundant elements in the crust are |
| | A) | magnesium and potassium |
| | B) | iron and aluminum |
| | C) | sodium and calcium |
| | D) | oxygen and silicon |
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| 4 | |
Earth's internal layers, in order from outermost to innermost, are |
| | A) | core, mantle, crust |
| | B) | crust, core, mantle |
| | C) | mantle, crust, core |
| | D) | crust, mantle, core |
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| 5 | |
Earth's core is rich in |
| | A) | ferromagnesian silicates |
| | B) | iron |
| | C) | aluminosilicates |
| | D) | potassium-rich silicates |
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| 6 | |
Which layer within the earth is molten (liquid)? |
| | A) | oceanic crust |
| | B) | outer core |
| | C) | inner core |
| | D) | mantle |
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| 7 | |
Humans (Homo sapiens) first appeared |
| | A) | 50 million years ago |
| | B) | 5 million years ago |
| | C) | 500 thousand years ago |
| | D) | 50 thousand to 90 thousand years ago |
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| 8 | |
Which is a rocky planet? |
| | A) | Jupiter |
| | B) | Saturn |
| | C) | Venus |
| | D) | Uranus |
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| 9 | |
Which is a gaseous planet? |
| | A) | Jupiter |
| | B) | Mercury |
| | C) | Venus |
| | D) | Mars |
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| 10 | |
Which planet's size and density are most similar to Earth's? |
| | A) | Mars |
| | B) | Mercury |
| | C) | Venus |
| | D) | Neptune |
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| 11 | |
Exponential population growth means that |
| | A) | growth increases at a steady rate. |
| | B) | growth decreases at a steady rate. |
| | C) | growth increases at a slower rate. |
| | D) | growth increases at a faster rate. |
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| 12 | |
In general, consumption of resources has |
| | A) | increased faster than population growth. |
| | B) | increased slower than population growth. |
| | C) | increased the same as population growth. |
| | D) | decreased as population increased. |
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| 13 | |
Earth's crust: |
| | A) | comprises about 12 pieces that move relative to one another. |
| | B) | is one solid piece. |
| | C) | is composed almost entirely of iron. |
| | D) | is composed almost entirely of aluminum. |
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| 14 | |
The major limitation on available farmland is the availability of |
| | A) | tractors. |
| | B) | water. |
| | C) | seed stock. |
| | D) | petroleum. |
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| 15 | |
A theory: |
| | A) | is the same as a fact. |
| | B) | is the same as a hypothesis. |
| | C) | is the level that a scientific explanation attains after hypothesis testing. |
| | D) | is the first step in scientific explanation |
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| 16 | |
Which geologic hazard causes the greatest amount of structural damage? |
| | A) | landslides |
| | B) | floods |
| | C) | earthquakes |
| | D) | unstable soils |
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| 17 | |
Using the equation D = 70/G, what is the doubling time for a population growing at a rate of 1.6% per year? |
| | A) | 112 years |
| | B) | 44 years |
| | C) | 4 years |
| | D) | 11 years |
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| 18 | |
World population is currently |
| | A) | 4 billion |
| | B) | 5 billion |
| | C) | 6 billion |
| | D) | 7 billion |
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| 19 | |
Humans have caused |
| | A) | the amount of water in the global ocean to decrease |
| | B) | the amount of carbon dioxide in the atmosphere to increase |
| | C) | the amount of oxygen in the atmosphere to increase |
| | D) | all of the above |
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| 20 | |
Which continent has the fastest rate of population growth? |
| | A) | North America |
| | B) | Asia |
| | C) | Europe |
| | D) | Africa |
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| 21 | |
An estimate of the maximum population the earth can support is its |
| | A) | doubling capacity. |
| | B) | exponential capacity. |
| | C) | carrying capacity. |
| | D) | dynamic capacity. |
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| 22 | |
Which food crop requires the most water? |
| | A) | one ton of corn |
| | B) | one ton of wheat |
| | C) | one ton of rice |
| | D) | one ton of beef |
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| 23 | |
Resource consumption: |
| | A) | is lowest in the United States |
| | B) | increases faster than the growth in population |
| | C) | increases, but more slowly than the growth in population. |
| | D) | is minimal today in comparison to the Roman and Greek civilizations. |
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| 24 | |
A typical high population growth rate might be about |
| | A) | 1 percent. |
| | B) | 3 percent. |
| | C) | 10 percent. |
| | D) | 30 percent. |
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| 25 | |
The classical scientific method is not strictly applicable to geology because |
| | A) | hypotheses don't apply to rocks. |
| | B) | time scales make it hard to fully test hypotheses. |
| | C) | geological hypotheses don't lead to theories. |
| | D) | hypotheses can't be falsified in geology. |
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