// Lesson Three
What is Dry Wood?
Children will conclude their exploration of the science behind steam baths as they learn what the best wood to burn. They will compare and contrast dry and wet wood through a 2 day sensory and weighing experiment. This lesson is full of math and has fun extensions for writing and building centers.
Materials: Whole Group Activity
- bowl with water
- two pieces of spruce
- scale
- hand-held wood moister tester
- hundreds chart
Center Materials:
- variety of wood collected locally
- big letter cards matching initial sound of wood (B for birch, A for Alder, S for Spruce, C for Cottonwood)
- magnifying glass
- woodworking tool play set
- blocks or wood
Pre-Lesson Preparation
Ask a community member who is knowledgeable about getting wood to share with students how they get wood, and what they look for, what types of tools & safety wear they use. (10-15 min)