Students should observe the weather, the number of daylight hours, and any changes in the tree they notice.

NGSS Science and Engineering Practices. 2 – Planning and Carrying Out Investigations. K-2. Plan and conduct an investigation collaboratively to produce data to serve as the basis for evidence to answer a question.

NGSS Crosscutting Concepts. 7 – Stability and Change. K-2. Some things stay the same while other things change.