Lecture 9

Question 1

What forms of matter can petroleum and crude oil exist in?

Answer 1

As a mixture of liquid, gas, and sticky tar-like substances

Question 2

Fossil fuels exist in what states of matter?

Answer 2

all 3: oil, natural gas, and coal

Question 3

What are fossil fuels so important?

Answer 3

they contain a huge amount of energy, they make our lives easier

Question 4

What kind of products are derived from fossil fuels?

Answer 4

used to heat homes, fuel cars & airplanes,
present in even medicines and plastics, from toothpaste to contact lenses to
Styrofoam cups