Does Adding Salt To Water Affect It's Freezing Point?
How does adding salt to water affect it's freezing point?
Pure water freezes at 0 degrees Celsius and 32 degrees Fahrenheit according to many sources such as www.iapws.org. According to www.blog.science-matters.org, adding salt to water does lower the freezing point of water.
If I add salt to water, then it will lower the temperature that it would normally freeze at.
The freezing point is the dependent variable, independent variable is the amount of salt, and the controlled variable is the water.
First, I got two equal cups of water. In the first cup, I put about 2 teaspoons in the water and stirred. In the second cup, I didn't add anything. I placed them both in the freezer for 90 minutes.
When I came back to check on them, the one
Pure water freezes at 0 degrees Celsius and 32 degrees Fahrenheit according to many sources such as www.iapws.org. According to www.blog.science-matters.org, adding salt to water does lower the freezing point of water.
If I add salt to water, then it will lower the temperature that it would normally freeze at.
The freezing point is the dependent variable, independent variable is the amount of salt, and the controlled variable is the water.
First, I got two equal cups of water. In the first cup, I put about 2 teaspoons in the water and stirred. In the second cup, I didn't add anything. I placed them both in the freezer for 90 minutes.
When I came back to check on them, the one