Four teachers are talking about children's concept development. Which is accurate?
◦ "We now know that even preschool children can reason about abstract concepts."
◦ "Young children are not yet capable of developing conceptual understanding."
◦ "I provide mini lectures each week on different science phenomena so that children gain conceptual understanding."
◦ "We can aid children's conceptual understanding by including as many topics as possible in our science curriculum."