Textbook
Chapter 1: Scientific Skills
Chapter 2: Science Room Rules
Chapter 3: Humans
Chapter 4: Animals
Chapter 5: Plants
Chapter 6: Measurement
Chapter 7: Density
Chapter 8: Acid and Alkali
Chapter 9: The Solar System
Chapter 10: Machine
Chapter 8: Acid and Alkali
Explore other materials to test acidic, alkaline and neutral substances
Make generalisation on acidic, alkaline and neutral substances through taste and touch by testing a few substances
Test acidic, alkaline and neutral substances through changes in colour of litmus paper by carrying out investigation
Acid and Alkali
Redeem eVouchers
Treat yourself with rewards for your hard work
Learn more »