Natural and Synthetic Resources

The video covers the last topic of GCSE chemistry, focusing on the use of resources. It explains finite resources, such as coal, oil, and natural gas, which are used faster than they are replaced. Renewable resources, like wood and biofuels, can be replenished at the same rate as they are consumed. The video also distinguishes between natural resources, which form without human input, and synthetic products, which are human-made. It highlights the role of agriculture in supplementing natural resources, using sugarcane for bioethanol as an example.

What is a characteristic of finite resources?

• They are always man-made.

• They are found only in the ocean.

• They are used up faster than they are replaced.

• They can be replenished quickly.

Why is coal considered a finite resource?

• It is always renewable.

• It is formed quickly.

• It is used up faster than it forms.

• It is a synthetic product.

Which of the following is an example of a renewable resource?

• Wood

• Natural gas

• Metal ores

• Coal

What is a key feature of renewable resources?

• They are only found in the sea.

• They are never used for fuel.

• They can be replaced as fast as they are used.

• They are always synthetic.

What defines a natural resource?

• It is always synthetic.

• It is always renewable.

• It forms without human input.

• It is only found in the air.

Which of the following is NOT a natural resource?

• Oil

• Coal

• Natural gas

• Bioethanol

Which of the following is a synthetic product?

• Polyethylene

• Water

• Wood

• Coal

What distinguishes synthetic products from natural resources?

• They are always finite.

• They are found in the air.

• They are created or improved by humans.

• They are always renewable.

How is sugarcane used in the context of renewable resources?

• It is used to produce bioethanol.

• It is used to generate coal.

• It is used to make plastics.

• It is used to extract metals.

What percentage of ethanol is typically mixed with petrol at the station?

• 5%

• 10%

• 15%

• 20%