Make a creative historical Timeline about the development of soap and detergent. Use pictures, drawing, and few words to represent the development of prehistoric time until today.

Second Box: (Draw a bar soap washing a person's body.
Description: In 2800 B.C, a soap that has fat, that is boiled with ashes, were used to wash people's body.
Third Box: (Draw a soap that is washing a person's body and cleaning their wound.)
Description: By the second century, a Greek physician, Galen, recommended soap for medical and cleansing purposes.
Fourth Box: (Draw a bar soap and fat with salt.)
Description: In 1791, Nicholas Leblanc patented making soda ash.
Fifth Box: (Draw a soap with common table salt.)
Description: In the mid-1800s, Ernest Solvay invented another soap technology, the ammonia process, to make soda ash out of table salt. This method reduces the cost of obtaining soda ash and increased its quantity and quality for soap manufacturing.
Assessment 1