FLASHCARDIZZ PRACTICE S4 T9 L3: Chemical Reactions and Synthetics

Front

What are wool, silk, rubber, and cellulose classified as?

Back

Natural polymers.

Front

What do synthetic materials begin with that are chemically changed?

Back

Natural resources.

Front

What is defined as anything that occurs naturally in the environment and can be used by humans?

Back

Natural resource.

Front

What type of resources are artificial materials synthesized from?

Back

Natural resources.

Front

Define polymer.

Back

A long, chain-like molecule made of repeating units.

Front

What is the difference between natural and synthetic materials?

Back

Natural materials occur in nature, while synthetic materials are man-made from natural resources.

Front

Give an example of a natural polymer.

Back

Cellulose.

Front

What is a common use of synthetic materials?

Back

Plastics used in packaging.

Front

What is the main characteristic of a polymer?

Back

It consists of many repeating units.

Front

What is the environmental impact of synthetic materials?

Back

They can lead to pollution and are often non-biodegradable.