Invisible ink

Feb 23, 2022 | SD-Karangturi | 0 Komentar

PARTICIPANT

Kelas 3C

  • Hubert Deven Muljadi
  • Jose Maximilian
  • Kennard Jonfis Tanjaya
  • Steven William Nugroho
  • William Arthur Surya Kusumo

SD Karangturi Semarang

DESCRIPTION

In this experiment, students want to know how to make an invisible ink using baking soda and turmeric powder. Students make their secret message and they make turmeric solution by mixing turmeric powder with alcohol to reveal their secret message. The baking soda as an “ink” is changing color because it reacts when it meets the turmeric solution

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