a. Define the word hydrocarbon? | A compound consisting of only hydrogen and carbon |
b. Crude oil is a ____________ of ____________ | mixture, hydrocarbons |
c. What is crude oil made from? | Crude oil was made from the bodies of tiny sea creatures and plants in plankton |
d. How long does it take to make? | 150 million years |
e. Where does the energy originally come from? | The sun |
f. How is crude oil different from coal? | Crude oil is formed underneath the sea and from tiny creatures while coal forms from plants which is buried beneath a swamp |
g. Crude oil, coal and natural gas are collectively known as _________ fuels | Fossil |
h. How is crude oil transported when it is extracted from the ground? | by pipe lines and oil tankers |