Preschool-age children's language skills are nurtured in a "language-rich" environment. Between the ages of 3 and 5, a child's vocabulary grows from 900 to 2,500 words, and her sentences become longer and more complex. In a conversational manner, and without dominating the discussion, teachers help children stretch their language skills by asking thought-provoking questions and introducing new vocabulary during science, art, snack time, and other activities. Children have many opportunities to sing, talk about favorite read-aloud books, and act out stories.
Teachers observe, ask questions and listen to children's ideas during these activities — "correct" answers are not the goal. To nurture their curiosity and motivation to learn, teachers use children's interests and ideas to create activities. And even a simple, chance event – such as a child's discovery of a snail in the outdoor play area — can be turned into an exciting opportunity to learn.The imaginary play area in a high-quality preschool is well-stocked with costumes, "props," and child-size household items such as stoves, sinks and cupboards. It's often in this activity area that preschool-age children progress steadily from solitary play, to one-on-one play, to complicated group play.