Count the rings on the tree slice to determine its age. Each ring represents one year of growth. Discuss how different tree parts help our environment. Parent-leader or students attach cards during discussion. We breathe out carbon dioxide and breathe in oxygen.
Leaves clean our air by adding oxygen.
During photosynthesis, they take in carbon dioxide and releasing oxygen. They absorb water in the soil. Trees provide homes for many animals. Have students attach the animal cards as they name each one. Leaves use sunlight to make food for us.