Coal and Petroleum

The video explains how machines and humans require energy, with machines using fuels like coal, petroleum, and natural gas. It details the formation of these fossil fuels from ancient organic matter and their uses over time. Coal is abundant and used for electricity, while petroleum and natural gas are formed under the sea and extracted for various products. Natural gas is highlighted as a clean and preferred fuel for vehicles and power generation.

What is the primary source of energy for vehicles?

• Electricity

• Solar power

• Burning fuels

• Wind energy

What process led to the formation of coal?

• Photosynthesis

• Carbonization

• Evaporation

• Condensation

Which of the following was a historical use of coal?

• Running railway engines

• Powering airplanes

• Generating solar energy

• Fueling cars

How were petroleum and natural gas formed?

• By the decomposition of organic matter under high pressure and temperature

• Through the melting of glaciers

• By the crystallization of minerals

• Through volcanic activity

What is the process called that separates the components of petroleum?

• Refining

• Fermentation

• Distillation

• Filtration

Why is natural gas becoming a preferred fuel?

• It is the cleanest of the fossil fuels

• It is the cheapest fuel

• It is the easiest to transport

• It is the most abundant fuel

What is another name for petroleum due to its commercial value?

• Black diamond

• Black gold

• Golden oil

• Liquid silver