Apples are the perfect theme for fall lessons. And just in time for harvest and Halloween. Here's an interactive, cross-curricular apple unit with crafts, recipes, science, art, creative writing, math, social studies, practical life, field trips and community-builders. I've added free printable apple-themed lesson plans and worksheets for activity extenders. Preschool Apple Unit, Cross-Curricular Hands-on Crafts, Activities, Recipes