Geol 115 - Unit 3 (part 3)

Fuel with the GREATEST net-energy potential

• petroleum

• nuclear energy

• natural gas

• coal

Heating and cooling buildings by exchange with shallow groundwater systems is considered a form of ___ energy.  

• geothermal
• solar
• kinetic
• potential

What are fossil fuels?

• Dinosaur bones
• Resources made from once living organisms 
• Combination of different rocks
• Gas Stations

during which period in the earth's history was coal formed

• Permian

• Carboniferous

• Devonian

• Silurian

The primary use of coal in a developed country is for _____________.

• electricity from coal fired power plants

• steam engines

• household heat

• no longer used as a fossil fuel

Oil is derived from ______________________________.

• Algae and plankton at the bottom of the sea

• lignin plant matter

• dinosaurs

• rocks and minerals

In what kind of rock can fossils be found?

• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Granite

The order of grades of coal from lowest energy content to highest energy content is

• anthacrite, lignite, bituminous.
• anthracite, bituminous, lignite.
• lignite, anthracite, bituminous.
• bituminous, lignite, anthracite.
• lignite, bituminous, anthracite.

Oil Shales and Oil Sands are....

• traditional sources of fossil fuels
• unconventional sources of kerogen which are beginning to be utilized
• concentrated in the middle east
• can be pumped from underground reserves using existing oil rigs. 

What is the process where rock near the bottom of a well is broken up in order to increase the flow of natural gas from the well called?

• hydrofracking
• agriculture
• geothermal energy
• urbanization