(Highlight for answer )
a. Define the word hydrocarbon? A hydrocarbon is a compound containing ONLY hydrogen and carbon
b. Crude oil is a mixture of many hydrocarbons
c. What is crude oil made from? Crude oil is a fossil fuel, meaning that it was made naturally from decaying plants and animals living in ancient seas millions of years ago
d. How long does it take to make? Millions of years!
e. Where does the energy originally come from? It came from the pressure and temperature, which slowly increase
f. How is crude oil different from coal? Coal is something that is formed from the remains of dead trees and ferns and oil is found is the earths crust as crude oil, which was formed by tiny animals and plants that lived in the sea
g. Crude oil, coal and natural gas are collectively known as fossil fuels
h. How is crude oil transported when it is extracted from the ground? Two ways, pipe lines or oil tankers. Pipe lines are usually used when the oil is found near the refinery (an industrial installation where a substance is refined)
