Science lesson : Bases and methods to discover them

Lesson : 

Bases and methods to discover them ( tea – phenol phethalin – orange methyl ) .

Teacher : 

Miss : Ola Al-asri .. Science teacher in Ar-rasheed school – English branch

Grade : 

6 ( A – B – C )

Lesson aims :

1. To observe base and its effect in dyes.
2. To differ between bases and alkalies.