Frost can be seen in Florida nearly every winter. It forms when temperatures fall near or below freezing.
How do insects survive cold weather?, Illinois Extension
Does Hot Water Freeze Faster Than Cold? Physicists Keep Asking.
17 Weather Science Projects and Lessons
Frost formation
snow - Kids, Britannica Kids
Mike's Weather School: How does frost form?
Science of Sea Ice National Snow and Ice Data Center
How Trees Survive Cold Winters - Project Learning Tree
Weather TheSchoolRun