Quiz Questions

Fossil fuels are derived from which of the following sources?
A: organic matter trapped in sedimentary rock
B: nonorganic matter trapped in metamorphic rock
C: organic matter trapped in igneous rock
D: organic matter on the crust's surface
Coal, a common fossil fuel, is formed from which of the following types of organic matter?
A: freshwater algae
B: bodies of dead animals
C: marine organisms
D: tree trunks, leaves, and freshwater plants
Oil and gas are mainly derived from which of the following sources?
A: trees and larger plants
B: phytoplanktonic material found in marine basins
C: freshwater algae
D: dead animals

Why do fossil fuels generate more power than wood for use in machines, for example?
A: Fossil fuels have a higher concentration of carbon and hydrogen
B: Fossil fuels are drier
C: Fossil fuels are easier to light
D: Fossil fuels are easier to transport

The quality of coal, called its rank, is a measure of which of the following characteristics?
A: amount of carbon in the coal
B: amount of oxygen in the coal
C: how black it is
D: how hard it is

Natural gas is composed mainly of which type of gas?
A: propane
B: methane
C: butane
D: ethane

Most of the world's oil is found in sedimentary rock that is of what age?
A: Younger than 200 years
B: younger than 200 million years
C: older than 200 million years
D: older than 300 million years