I will use experiments to tell you about general scientific knowledge around us.

Hello everyone, scientific knowledge is everywhere in our lives, you may have never noticed it, this issue is first issue of a series of small scientific experiments, let's discover knowledge around us Little knowledge.

One: floating "wildfire"

After adding gel pen oil, butane burn rate cannot keep up with gas ejection rate, which will create a hanging "wildfire" effect, and transparent part at bottom is actually butane gas, which burns too late. .

Second: Porcelain is beaten in water

The hardness of ceramics is extremely high. When punching holes, it will vibrate and cause deformation or breakage. Drilling holes in water can dampen vibration caused by impacts, so it's easier to punch holes in water.

Third: paper towels that don't get wet in water

This actually uses principle of pressure. The existence of air pressure inside inverted cup prevents water from entering from outside, so paper in cup will not be wet.

Fourth: combustible white smoke

The main component of candle is paraffin. After paraffin is blown out, gas condenses into white smoke upon encountering air. When a match is lit, partially condensed paraffin gas is equivalent to a conductor. You can reflash.

Fifth: change water flow

A rubbed comb is charged with static electricity, and thin stream of water is a light object, and a charged object can attract light and small objects.

Six: non-Newtonian fluid

In layman's terms, this liquid is as soft as water when lightly touched, but as hard as rock when hit hard. This is a guy who eats softly, but not hard. Also has this effect.

There are six practical tips above, more tips will be updated later, hope you can help me pay attention and not get lost! ! I wish you all a happy life. For more tips, please go to homepage to have a look.

Extended reading

Today I will teach you how to organize and store clothes and bedding at same time

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