1 .- Soap from talc.
- In a glass bowl pour water half and sprayed a little talcum powder or pepper, which was then a small layer of this.
- Then he dips a cotton swab in liquid soap.
- proceeds to bring before the cotton swab moistened with liquid, the container of talcum powder, and what can be observed is that talc "flee" the soap once it is what suficientemenste close.
Result: The powder is expelled to the edge to bring you mment of soap, because both charges are equal then repel.
separate ????. 2 .-
- A glass of water, add salt until you make a saturated solution, and the same dye is added.
- the end you add water again to see if it separates
Result: There is no separation and the experiments is a fiasco.
3 .- Papas
- There is a raw potato, and cut into slices. Note that in this time slice is solid.
- slices are placed in a container with water and saturated salt and expected for 30 minutes.
- At the end of 30 minutes, take out the potato slices, and highlights the ability they now have to bend, have become much less massive.
Results: We have the potatoes, leaving them remojr in salted water, dehydrated and lose their strength due to the lack of water and saline absorption had.
4 .- Cocas
- is left floating on the water 2 cans of Coca-Cola
- The first is the type of normal coke
- The second is the Type of coca-light
- the two are compared to see which of the two cans more fleet
Results: The can of coca-light fleet because the masses between a can and the other is different and one is lighter.