Crude Oil and Bioplastics

Because it is used to produce energy only

Because it is used to make a wide variety of products

Because it is only used for transportation

Because it is not renewable

Crude oil is a pure substance made of only one compound.

Crude oil is a mixture of many compounds, mainly hydrocarbons.

Crude oil is formed from living plants in swamps.

Crude oil contains only carbon.

Water

Hydrocarbons

Minerals

Oxygen

Solar energy

Natural gas

Wind energy

Hydroelectric power

Dead sea creatures

Swamp plants

Heat and pressure

Millions of years

hydrogen and oxygen

hydrogen, carbon and oxygen

hydrogen and carbon

carbon only

To separate a solid from a liquid

To separate a liquid from a solution by boiling and condensing

To combine two liquids

To filter out impurities

Fractional distillation

Filtration

Evaporation

Chromatography

Simple distillation

Fractional distillation

Boiling

Evaporation

It is hottest at the bottom and coolest at the top.

It is hottest at the top and coolest at the bottom.

The temperature is the same throughout the column.

The temperature changes randomly.

Cracking

Polymerization

Combustion

Fermentation

melting point

boiling point

freezing point

chemical reactivity

Plastics help reduce ocean pollution

Plastics pose a danger to wildlife

Plastics contribute to litter problems

Plastics waste in the oceans is increasing

Plastic bottle

Wooden chair

CD/DVD

Synthetic shoes