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Set for experiments "Secrets of copper"

Brand: Эврики
Product Code: 7048433
$8.37
In Stock
Characteristics
A country
China
Age
From 4 years
The number of experiments
1
Type of research
Experiments with reagents
Type of science
Chemistry
...

with a set for the experiments of Euryk, the child learns about the amazing properties of substances, conduct two fascinating experiments and surprise friends.

Experience “Secret Epistus” demonstrates how to leave a hidden message.

< P> How to do?

  • Prepare a pale blue solution: mix 50 ml of warm water and half a patch of blue crystals.
  • Pierce the cotton wand into the solution and write a secret message on plain paper.
  • When the ink is dry, carefully rewrite a sheet of paper.
  • hold a letter over the candle. Follow safety measures when handling fire and do not burn your message.
  • The result: the solution from heating will manifest and the text can be read.

    The experience of the color flame will show that the fire burns not Only yellow flame.

    how to make?

  • from foil make a small cup and place it on any non-combustible surface. With the help of a pipette, moisten it with a solution of salicylic acid.
  • Burn moisturized powder in any way convenient for you.
  • result: Carefully see what color the flame was stained!

    The set for experiments is intended for children over 4 years old. Children should conduct experiments only under the supervision of adults.

    Characteristics
    A country China
    Age From 4 years
    The number of experiments 1
    Type of research Experiments with reagents
    Type of science Chemistry
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