Page 4 - Skylark 7_Booklet

Activity 1 Critical Thinking Communication

Experiential Scientific
Learning Temper
In the poem ‘Hide and Seek’, you read how the child, who is hiding
from his friends, is nearly invisible to them. Are there any other fun
games that make use of ‘invisibility’? Discuss with your partner.

Now, let us do a fun activity by trying to make invisible ink!

You will need:
• 1/4th cup of baking soda

• 1/4th cup of water
• a cotton bud/paintbrush

• a sheet of paper
• some grape juice (any

dark-coloured juice would
work too)

What to do:
• Mix baking soda and
water to create a
mixture for the ink.

• Now, dip the cotton
bud or the paintbrush
in this ink. Write your
message on the paper

and let it dry.
• Once it is fully dried, dip your paintbrush in grape juice and rub
it over your message. Your invisible message will appear now!

Note: In this activity, the grape juice makes the message visible
because it is acidic, and it undergoes a chemical reaction when
mixed with baking soda. This causes a different colour to
appear on the page.

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