Write F on the line next to each false statement. Both the length of night and changing temperatures affect autumn leaf color. Oak trees' leaves are usually among the first to change color. The best weather conditions for great fall colors include cool days and freezing nights. The needles of an evergreen tree survive for years partly because they are covered with a heavy wax coating.
Evergreen needles fall off from old age.
The fluid the leaves of many trees is a thin watery sap that freezes. Permission is granted to teachers to reproduce this skill page for classroom use.