Kids Science Project for 7th Grade

Have you ever noticed that salt sold in the shop, when we have snow and ice on the roads? If you have ever wondered about salt and what effect it has on the water. If you use salt on the frozen ice on the road, it seems to melt, it does not hold water freezes? You have just a scientific project for the School.

Science projects are right under our noses and can look as simple as what we see every day in our lives.

This experimentIt costs nothing except a little salt.

Get together 3 containers that you put water in and freeze. You should be plastic, which is good freeze. Also, you do not want them too big. If you can peel a sour cream container or a few small grain plastic that works well.

Fill each container half full with water from the tap.

Fill the first bowl Stir in 2 teaspoons of salt and good, most of the dissolution of the salt
Inresolve placed in secondary packaging 1 teaspoon salt and stir
In the last cup of water only and no salt.

Make sure the water temperature.

Now they put all on a baking sheet and into the freezer at a stable, will not tip over.

Let them all day or overnight. In the morning, take the container and a visual observation.

All containers were frozen solid? If it is not something frozen? Has anyone does not feel cold atAll of them?

Has the amount of salt in the water effect how much the water froze?

Make sure to document your data and take photos. This project is not a proof that you can immediately do for a fair, but you can show what the combination of salt and water in the scientific project.

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