The activity goal of "Little Water Wheels Turn Fast" in middle class science is to make children feel the energy of water flow through activities. Knowing that the speed of small waterwheel is related to the energy of water flow can stimulate children's interest in science.
the age characteristics of children in the middle class kindergarten middle class is a connecting link between the preceding and the following stages in children's three-year preschool education, and it is also an important period for children's physical and mental development.