Where do you think the blight that killed off the chestnut trees in eastern North America came from? Why are some chestnuts still alive today? And why are they not as big as they once were decades ago?

 1.Hypothesize: generate a hypothesis in reply to Mary’s questions. You do not have the full picture yet, but what do you predict you will find? What exactly is a blight?

Where do you think the blight that killed off the chestnut trees in eastern North America came from? Why are some chestnuts still alive today? And why are they not as big as they once were decades ago?