Materials and Their Properties Quiz

What are most plastics made from?

• Metal ores

• Wood pulp

• Crude oil

• Natural rubber

What is a polymer?

• A small molecule

• A large molecule made of many small molecules joined together

• A natural mineral

• A type of metal

What is a disadvantage of most plastics?

• They are too expensive to produce

• They are nonbiodegradable

• They are too heavy

• They are not durable

What is the top priority in the waste hierarchy?

• Incinerating waste

• Landfilling waste

• Preventing waste

• Recycling waste

What is an ore?

• A biodegradable plastic

• A synthetic polymer

• A type of rock with a high concentration of a particular mineral

• A type of alkali metal

What process is often used to extract metals from ores?

• Recycling

• Biodegradation

• Fracking

• Smelting

What is fracking used for?

• Producing biodegradable materials

• Recycling plastics

• Extracting oil and gas from underground deposits

• Extracting metals from ores

Which of the following is a property of alkali metals?

• They are non-reactive with oxygen

• They react violently with water

• They have a dull surface when cut

• They are very hard

What happens when an alkali metal reacts with water?

• A metal hydroxide and hydrogen gas are formed

• A metal oxide is formed

• The metal becomes non-reactive

• The metal becomes shiny

How many electrons do alkali metals have in their outer shell?

• Four

• Three

• Two

• One