A21 SB1 Polymers

What are some examples of natural polymers?

• Gold, silver, and copper
• Cellulose, DNA, and proteins
• Carbon, oxygen, and hydrogen
• Iron, nickel, and cobalt

What is the process of manufacturing synthetic polymers?

• Breaking down large molecules using chemical reactions
• Joining small molecules together using physical reactions
• Breaking down large molecules using physical reactions
• Joining small molecules together using chemical reactions

What is a property of synthetic polymers that makes them useful for molding?

• They are chemically reactive
• They are liquids at room temperature
• They can be molded into shape
• They are electrical conductors

What is a disadvantage of synthetic polymers in terms of environmental impact?

• They do not break down quickly
• They are biodegradable
• They break down quickly
• They are easy to dispose of

What is the function of cellulose in plant cells?

• To help plants breathe
• To help plants move
• To help plants reproduce
• To help plants remain stiff and upright

What does the term 'polymer' mean?

• One part
• Many parts
• A type of metal
• A type of plant

What are synthetic polymers?

• Molecules made from animals
• Molecules made from chemical reactions
• Molecules found in nature
• Molecules made from plants

What is a polymer?

• A type of animal
• A very long molecule made up of many repeating units called monomers
• A type of plant
• A type of metal

What is the relationship between monomers and polymers?

• Polymers are made up of many repeating units called monomers
• Monomers and polymers are the same thing
• Monomers are made up of many repeating units called polymers
• Monomers and polymers are not related

What is a common property of synthetic polymers?

• They are liquids at room temperature
• They are chemically reactive
• They are electrical conductors
• They are solids at room temperature