The water then exists in the solid phase as ice. In spring, when the temperature rises, the ice melts and changes from the solid to the liquid phase. The phase transition occurs as a result of energy exchange with the environment. The melting of ice to water can be easily measured by differential scanning calorimetry.
The price of care for a 4-year-old is less than for an infant, and the cost of care for a school-age child is even less than that. But even home daycare for a school-aged child â the cheapest form of care â costs $9,159 per year in D.C., $5,366 per year in Maryland, and $4,938 per year in Virginia.
The Cost of Daycare. â Tuition: The full time daycares in our area (8:00am â 6:00pm) range from $1500 â $2200/month or $16,500 â $24,200/year. â Summer vacation: Some daycares close for summer vacation.Ours closes for an entire month (during which you do not pay tuition) so you have to find backup childcare.eep in mind that I live in New York where the cost of childcare is probably higher than many parts of the country. The Cost of a Nanny. â Salary & Benefits: The average pay for a nanny is about $15/hour in our neighborhood.