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004 making invisible ink

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simpletasksgreatconcepts

a playful activity using bio products for children. teachers please assist with the lighted candle

Education
1 of 4
004 MAKING INVISIBLE INK MATERIALS REQUIRED Lemon juice (with sugar) Brush White paper Candle
Prepare lemon juice and write “SCIENCE IS FUN” with it on a white paper. SCIENCE IS FUN
Dry the paper and it remains a white sheet only.
SCIENCE IS FUN Now show the paper on a candle flame and the letters are visible. This is due to charring of sugar in lemon juice.

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004 making invisible ink

  • 1. 004 MAKING INVISIBLE INK MATERIALS REQUIRED Lemon juice (with sugar) Brush White paper Candle
  • 2. Prepare lemon juice and write “SCIENCE IS FUN” with it on a white paper. SCIENCE IS FUN
  • 3. Dry the paper and it remains a white sheet only.
  • 4. SCIENCE IS FUN Now show the paper on a candle flame and the letters are visible. This is due to charring of sugar in lemon juice.