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.
According to Child Care Aware of America, an organization that advocates for quality child care, the average costs for infant care typically range from around $4,800 to $16,500 a year (or $400 to $1,375 monthly), depending on where you live and the quality of the center.igns of a good daycare center. Start your search about six months before you'll need childcare, and use our list of criteria as a guide. Daycare center director/caregiver interview. Print out this list of questions to help you find the right daycare center for your child.