Organize activities so that children can learn about the world and explore interests, develop schedules and routines to ensure that children have enough physical activity, rest, and playtime, watch for signs of emotional or developmental problems in children and bring the problems to the attention of parents. Supervise and monitor the safety of children in their care, organize mealtimes and snacks for children, help children keep good hygiene; change the diapers of infants and toddler.