摘要：This paper aimed to examine kindergarten's scientific concepts and skills in the tree unit. The participants include 37 kindergarten 1 students (4 – 5 year olds) who studying in KKU Kindergarten Demonstration School. The tree unit provided kindergarten to observe each part of the tree and collect data by drawing. They also have to communicate their data collection. Students’ communication could show how their understanding. This intervention was carried out for 4 weeks. The findings indicated that kindergarten 1 students could construct meaning of part of the tree, classification of the tree, and advantage of the tree. Their scientific skills also could be generated from this unit. The paper will discuss their meaning construction and scientific skills.
