500
Katie took ice from the freezer and placed it in a pan on the stove. She turned on the burner and watched until there was no more water left in the pan. Explain the changes Katie observed as the temperature of the water rose from 0 degree Celsius to 100 degree Celsius.
When the temperature was 0 degree Celsius, the water was solid ices. As the temperature increased the ice melted into water. When the temperature reached 100 degree Celsius the water turned into water vapor.