Plastics and Other Man-Made Materials

What is cellulose?

• An organic compound made from plants

• A synthetic material that is made in a laboratory

• A metal that can be melted

• Cells found in animals

What is the process called when cellulose is turned into a synthetic fibre similar to silk but cost less to produce?

• Silk Process

• Synthetic Process

• Cheap Process

• Viscose Process

An elastic like fibre used for clothes such as gymnastics uniforms

• Kevlar

• Spandex

• Rayon

• Fibreglass

Kevlar is stronger than ...

• steel

• aluminum

• copper

• zinc

Which material is resilient and is used to cover floors?

• Kevlar

• Rayon

• Fibreglass

• Linoleum

What is an advantage of laminated glass?

• It's very expensive to make

• It's heavy

• When dropped, it holds together

• When dropped, it bounces like a ball

Why is fibreglass used for insulation?

• It lets air escape

• It traps air

• It is waterproof

• It is inexpensive

What did German scientists discover?

• Kevlar

• Fibreglass

• Flexible electronic screens

• Linoleum

What is graphene aerogel mostly made of?

• Graphite

• Silk

• Iron

• Air

Who created graphene aerogel?

• French scientists

• German scientists

• Chinese scientists

• American scientists