Page 9 - Science 7 NEP Booklet

Activity 4 Creative Thinking Problem Solving

Create your Mnemonic

Make a mnemonic for yourself to remember the colour change of indicators
with acids and bases.

For example: Acids turn Blue litmus to Red

ABR—Agra Bombay Road or A Big Rat or Anil—A- acid,
ni- neela(blue) l- lal(red)

Bases turn Red litmus to Blue

BRB—Big Rat is Big or Belan—Be-base, La- lal(red), n-neela(blue)

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