What is the difference between raw and synthetic materials?

Science

A material found in nature that has not been changed by humans.

Synthetic materials are often made from raw materials. True or false?

Tick the raw material in the following list.

Tick the synthetic material in the following list.

Absorbent materials do not soak up liquid easily. True or false?

Which of these materials do you think is the most absorbent?

Which word describes when something repels water or keeps water out?