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Why is 100 degree celsius the same as 212 degree Fahrenheit?
Mr Fahrenheit decided the world needed a temperature scale that went from the lowest temperature generally experienced, (which he called "0") to about blood temperature which he called (with a small error) "100". On that scale the boiling point of water turns out to be 212 degrees. Mr Celsius decide that making the freezing point of water 0, and boiling point of water 100 would be better. There are other temperature scales too.
How much is half a degree in Fahrenheit?
0.5 deg F = - 17.5 deg CelsiusBut each half degree F is equal to 0.277... deg C. This apparent distinction is because neither the F scale nor the C scale is an absolute scale.What a half a degree represents.The Fahrenheit scale was set up so that 0oF was the temperature that sea water froze at. This assumed that sea water was consistent throughout the world. The boiling point of fresh water was set at 212oF. These two boundaries established the freezing point of normal water at 32oF. A degree Fahrenheit would be 1/180 of the temperature between freezing and boiling. Half a degree would be 1/2 of 1/180 or1/360th of that amount.The metric system is based on the freezing and boiling points of water but divided the temperature increase into 100 equal parts
What is a dependnent variable?
A dependent variable depends on the independent variable. If you are doing an experiment about how temperature affects the heat of water then the independent variable would be the temperature, as that is what you are going to change, and the dependent variable the water as the temperature of the water depends on the temperature surrounding it.
What is the best temperature of lukewarm water 71 degrees Fahrenheit or 71 degrees Celsius?
Body temperature is about 98oF or 36oC, so 71oF would not be too good a temperature for lukewarm water, it would be too cool but 71 ºC would be way to warm.
What a testable question about the natural world that contains an independent variable and dependent variable?
That the surface tension of water varies with the water's temperature. In this case, temperature would be the independent variable and surface tension would be the independent variable.
