Earth’s Natural Resources QUESTION 1
- Coal deposits were formed when ancient plants died and were buried in sediment layers. After burial in sediment layers, what happened next to change them to coal?
|ADDITION OF WATER TO FORM HYDROCARBON MOLECULES|
|COMPRESSION BY EXTREME PRESSURE OVER MILLIONS OF YEARS|
|REACTION WITH ACIDS IN THE ENVIRONMENT|
Earth’s Natural Resources QUESTION 2
- Many experts predict that our oil supplies will run out in the next few decades. Describe two factors that may extend our world oil supplies and two factors that may more rapidly deplete our world oil supplies.
- The largest exporter of oil in the world is
Earth’s Natural Resources QUESTION 4
- Describe what oil shale is and explain the advantages and disadvantages associated with its use and extraction.
- Why can lignite only be used close to the area in which it is found?
|IT HAS SUCH A LOW ENERGY CONTENT THAT TRANSPORTING IT IS NOT WORTH IT.|
|HAS TOXIC METALS IN IT THAT PREVENT IT FROM BEING LEGAL TO SHIP.|
|IT IS TOO HEAVY TO TRANSPORT OUT OF THE AREA FROM WHICH IT IS MINED.|
- Coal is burned to produce steam in an electrical power plant. The steam is then used to
|TURN A MOTOR CALLED A TURBINE|
|CONVERT MECHANICAL ENERGY TO ELECTRICAL ENERGY|
|EXTRACT ATOMS FROM THE COAL|
- Which of the following gases is the major byproduct of fossil fuel combustion?
- Fossil fuel combustion removes deeply stored carbon from the land and releases it to the atmosphere.
- Of the two nuclear processes, fusion and fission, which one is used to generate commercial nuclear power? Why is the other one not used?
- What happens to a uranium-235 atom when it is bombarded with neutrons? How is this process used to generate nuclear power?
- After uranium is mined from the ground, it is leached to produce a substance called ______.
- The process that increases the amount of fissionable uranium-235 in nuclear fuel is called
- Control rods can be taken away from a nuclear reactor to make the fission reaction
|TAKE PLACE AT LOWER TEMPERATURES|
|CONVERT TO A FUSION REACTION|
- The part of a nuclear reactor that spins because of exposure to heat energy in steam is the
- What happens during the process of decommissioning a nuclear power plant?
- Using nuclear fuel emits less sulfur and mercury into the environment than does using fossil fuels.
- What is the difference between renewable and non-renewable energy? Give two examples of each.
- Wind farms are ideally located in areas with
|STEADY WINDS AT A SPEED OF ABOUT 13 MPH|
|INTERMITTENT WINDS WITH SPEEDS WELL OVER 50 MPH|
|STEADY BUT SLOW WINDS LESS THAN 10 MPH|
- The worldwide leading source of renewable energy is
- Energy derived from hot fluids and rocks beneath Earth’s surface is called
- Wind power is most practical when wind speeds are over 55 mph.
- Describe two advantages and two disadvantages associated with the use of geothermal power.
- As long as wind turbines are manufactured correctly, they do not generally pose a threat to birds.
- An ore is a rock that
|CONTAINS ENOUGH OF A MINERAL RESOURCE TO BE ECONOMICALLY PROFITABLE|
|Has ANY AMOUNT OF A MINERAL RESOURCE|
|CONTAINS NO WASTE MATERIALS, BUT IS MADE ENTIRELY OF A PURE MINERAL SUBSTANCE|
- Most mining deaths take place in
|OPEN PIT MINES|
- In _______, the mineral ore is taken out of a surface hole layer by layer, and the hole just keeps getting bigger and bigger.
|OPEN PIT MINING|
- What type of mining is commonly used to extract coal from the Appalachian area of the United States?
- What type of subsurface mining involves digging deep underground tunnels and then sending workers down in cages?
|HARD ROCK MINING|
- Acid mine drainage can develop when rainwater seeps through
- Acid mine drainage forms when water reacts with _____ in discarded mining materials.
- Acid mine drainage contains sulfuric acid, which can kill or harm wildlife.
Earth’s Natural Resources QUESTION 32
- Collapsing underground mines can fracture natural gas pipelines.