Core questions – Chemistry – Unit 10 – Using resources

What do human’s use the Earth’s resources for?

• To provide warmth, shelter, food and transport

• To create artificial planets

• To communicate with aliens

• To stop the Earth's rotation

What is a natural resource?

• Something that forms without human input

• A man-made object

• A type of manufactured product

• A synthetic material

What is a synthetic product?

• A man made product

• A natural product found in nature

• A product made only from plants

• A product that occurs naturally in animals

Give an example of a natural product that can be replaced by a synthetic product?

• Rubber can be replaced with polymers

• Water can be replaced with glass

• Salt can be replaced with sugar

• Wood can be replaced with metal

How does agriculture play a role in human development?

• It can provide conditions where natural resources can be enhanced for our needs

• It reduces the need for any technological advancements

• It eliminates the need for education in society

• It prevents the use of renewable energy sources

Give an example of how agriculture can enhance natural resources?

• Fertilisers mean we can produce a higher yield of crops

• Burning crop residues to clear fields

• Overgrazing by livestock

• Excessive use of pesticides

What is a finite resource?

• A resource that will run out

• A resource that is unlimited

• A resource that is always renewable

• A resource that increases over time

What is a renewable resource?

• Reforms at a similar rate to, or faster than, we use them

• Is only found underground

• Can never be replaced

• Is always man-made

What is sustainable development?

• Development that meets the needs of current generations without compromising the ability of future generations to meet their own needs

• Development that focuses only on economic growth regardless of environmental impact

• Development that prioritizes present needs over future needs

• Development that ignores social and environmental concerns

What is potable water?

• Water that is safe to drink

• Water that is used for irrigation

• Water that is used for industrial purposes

• Water that is unsafe to drink