Physics
Heat
9 Topics Winds, Storms and Cyclones
7 Topics Motion and Time
7 Topics Electric Current and its Effects
8 Topics Light
10 Topics Chemistry
Acids, Bases and Salts
9 Topics Physical and Chemical Changes
7 Topics Water: A Precious Resource
8 Topics Wastewater Story
11 Topics BIOLOGY
Nutrition in Plants
9 Topics Nutrition in Animals
6 Topics Fibre to Fabric
5 Topics Soil
5 Topics Respiration in Organisms
11 Topics Transportation Animals and Plants
7 Topics Reproduction in Plants
5 Topics Forests: Our Lifeline
10 Topics 
Introduction to Acids and Bases
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[Acid,base,salt, soapy,sour taste,baking soda]