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Alpha science class: How to make amazing invisible inks

Views:111     Author:Site Editor     Publish Time: 2019-04-13      Origin:Site

A mysterious agent can make some miraculous items by using things that are ordinary in our life, this item can transmit the most important message. The invisible ink belongs to agent items. Do you know how to make exclusive invisible ink of agent? Today, Alpha science toys will explain how to make invisible ink in the Alpha science class.

Invisible ink picture (3)

It's a very interesting and challenging activity that children can make a miraculous toy at home, by using simple chemical knowledge, children can enjoy the pleasure when they make the invisible ink, and can learn some scientific knowledge, this activity can help children to understand the magic which is hidden in our life. Through stimulating children's boundless imagination, Alpha science toys improve much ability of children, such as thinking ability, explore ability, manipulative ability, and coordinate ability. 

Alpha science class: Production recipe of invisible ink

  • Half fresh lemon(be careful when you cut it )

  • Half a teaspoon of water

  • Small bowl

  • Spoon

  • White paper

  • Cotton swab

  • Electric iron head or a calorific light bulb such as incandescent bulb of 100 watt, radiator, microwave oven, or other things with a heat source. 


Production step of invisible ink:

First:

Squeezing the lemon juice into the small bowl. You can ask your parents for help.

Invisible ink picture (5)

Second:

Add water to the lemon juice, after that, start stir with a spoon.

Third:

Putting the cotton swab into the invisible ink, and then writing the code that you want to transmit to others in the white paper.

Invisible ink picture (2)

Fourth:

After writing, you can wait some minutes for the invisible ink disappeared in the paper. At this time, you can heat the bulb. (Attention: Don't touch the bulb when you heat it, it's dangerous.)

Invisible ink picture

Fifth:

Until the paper is dry, you can bake the paper on the hot light bulb for a few minutes. (Be careful the paper is put to close to the bulb or baked it too hot.) 

Observed result

What happened to the white paper with the invisible ink? Giving this paper to your friend and staring an exciting agent game! You can also use apple juice, white grape juice, or other juice to make invisible ink, let's observe the interesting result about them! 

Alpha science class: The science knowledge of invisible ink

Do you know what science knowledge in the invisible ink? Alpha science toys will uncover the secret for you when you paint the paper with the lemon juice. The carbon-based compound of lemon juice will be absorbed by the paper after you heat the paper, the heat will break the chemical bonds and will release the carbon, after the carbon connects to the air, an oxidation reaction that is common in the chemistry will be occurred. The paper where the invisible ink painted would be darkened.

COLOR CHANGING CHEMICAL

If you want to learn more the magic of chemistry, you can come to the world of chemical experiment toys of Alpha Science Toys, and use the color changing chemical set that produced by Alpha to find more scientific mysteries. Then you can become a little magician among your friends!


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