3rd day

On the third day , we make a soap. We gathered at the same place. Do you know how we make our soap ?
This is it:

1. Pour a little used cooking oil in 1.5L bottle.Only put half of the bottle.
2. Then , put some sodium hydroxide in the bottle and shake it until the substance dissolve.
3. After dissolve , pour in container and let it harsh.

*When handle this project , we use glove to avoid our hand from irritate and we do it properly.