| There are many free science fair projects that you | | | | measuring spoons and add one tablespoon of table |
| can do. Science experiments don't need to cost a lot | | | | salt to the boiling water. Stir it well and then put the |
| of money to be good. There are so many projects | | | | thermometer in again, once again recording the highest |
| you can do for free, it's simply a matter of thinking of a | | | | temperature reading. Next, add one more tablespoon |
| topic that interests you. Often time, you can use things | | | | of table salt. Stir it well and record the highest |
| around the house to experiment with. | | | | temperature. |
| Free science fair projects you can do around the | | | | You can continue adding tablespoons and recording |
| house can include seeing if table salt affects the boiling | | | | the temperatures a few more times if you'd like. Be |
| temperature of water. To do this, all you need is a pot | | | | sure to record your results in a graphical presentation. |
| to boil water in, a stove, water, measuring spoons, | | | | A chart would help with this so you can accurately |
| table salt, and a thermometer. Start by boiling two cups | | | | show how adding salt affects the boiling temperature |
| of water in a pot on the stove. Once it's been boiling | | | | of the water. It should include variables such as how |
| for a minute or two put the thermometer in and record | | | | much salt you should add if you need the water to |
| the highest temperature reading. Then use the | | | | reach a certain temperature. |