Results

CONTENTS

Before experiment

30 min in

60 min in

24 hours in

1 cup of only water

53 degrees F

40 degrees F

30 degrees F

-3 degrees F

1 cup water 1/8 cup salt

54 degrees F

30 degrees F

27 degrees F

-2 degrees F

1 cup water 1/4 cup salt

54 degrees F

32 degrees F

29 degrees F

-2 degrees F

1 cup water 1/2 cup salt

55 degrees F

31 degrees F

28 degrees F

-2 degrees F

Conclusion

The results of my experiment were not what I expected. They made me learn a lot about salt and water freezing. My results were that water with salt freezes slower than water without salt. Water with salt also freezes at a lower temperature than water without salt. The glass with a half a cup of salt did not freeze even though it went down below zero in temperature and maintained the lowest temperature throughout the freezing times.

Although salt melts ice on the roads I think the salt heats up the ice when the salt is on the surface of the ice. But when salt is mixed in with water, it keeps the water from freezing as fast, but does not elevate the temperature of the water.

Salt starts working after the freezing point (32 degrees Fahrenheit) has been reached and not while freezing is happening. There is only one exception. That is when the salt content in the water is half the amount of the water. The only way water with these amounts of salt can freeze is when it is exposed to arctic weather or harsh climates.

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