| Have you ever noticed that salt is sold in the store | | | | 1. In the first bowl put in 2 teaspoons of salt and stir |
| when we have snow and ice on the roads? If you | | | | well to dissolve most of the salt |
| have ever wondered about salt and what effect it has | | | | 2. In the second container put in 1 teaspoon of salt and |
| on water. If you put salt on the frozen ice in the road it | | | | stir to dissolve |
| seems to melt so does it keep water from freezing? | | | | 3. In the last cup only have water and no salt. |
| You have just discovered a science project for the | | | | Make sure the water is room temperature. |
| school fair. | | | | Now place them all on a baking sheet and place in the |
| Science projects are right under our noses and can be | | | | freezer in a stable place that will not tip over. |
| as simple to find as looking at what we do every day | | | | Leave these there all day or over night. In the morning |
| in our lives. | | | | remove the containers and make a visual observation. |
| This experiment will not cost you anything except a | | | | Were all the containers frozen solid? If not were they |
| little bit of ordinary table salt. | | | | somewhat frozen? Did any not freeze at all? |
| Get together 3 containers that you can put water into | | | | Did the amount of salt in the water effect how much |
| and freeze. They should be plastic that will freeze well. | | | | the water froze? |
| Also you do not want them to be too large. If you can | | | | Make sure to document your information and take |
| use a sour cream container or a few small plastic | | | | photos. This project is not a demonstration that you |
| cereal bowls that works well. | | | | can do immediately at a fair but you can show what |
| Fill each container half full with water from the faucet. | | | | happened to the salt and water combination in the |
| | | | science project. |