I offer you some amazing tricks and experiences, or scientific shows that you can do with your own hands at home. At a child's birthday party, at a friend’s party, at a picnic - spend time with benefit and become a popular person!
Experiment with egg and vinegar. Pour the vinegar into a glass and place a chicken egg in it. The shell of bird eggs is 90 percent calcium carbonate. After 12 - 15 hours, see what happened. Pull the egg out of the vinegar and rinse under running water. The egg slightly increased in size as it was saturated with vinegar.
If you mix sodium tetraborate with PVA glue, then as a result you will get handgun. Heard about this? In fact, it is already quite popular and famous toy. And if you add a fluorescent dye, your handgum will glow in the dark. Before playing with it, you need to wash your hands, and also during the game try not to drop it on the floor and not put it on dusty surfaces. You need to do this in order to make your handgum serve you as long as possible.
How to burst a balloon with an orange? Balloons burst only juice from peel falls on them! The juice that we squeeze out of the skin of an orange contains a special substance - limonene. It has an amazing ability to dissolve rubber, and our balls are made of rubber.
How to make an anti-stress ball. All you need is non-Newtonian fluid, a balloon and a funnel. The filler will be a supersaturated starch solution - just add water to the starch until you get a viscous, plastic substance. After the filler is ready, you just have to fill a balloon with it, tie a hole and gently remove excess rubber.
Place a burning candle or a match on the bottom of the bottle with a wide neck so that the air inside the bottle warms up well. Then place a peeled boiled egg on the neck of the bottle and watch. The egg will fall into the bottle.
Why is this happening? The bottle will end up with the oxygen needed for burning, and the match will go out. The air inside will begin to cool and, accordingly, decrease in volume. The pressure in the vessel will be less than atmospheric, and the egg will slowly be drawn into the bottle.
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