TECHNICAL MATERIALS: WOOD

TECHNICAL MATERIALS: WOOD

1. KEYWORDS

   • Hard
   • Tough
   • Deformable
   • Elastic
   • Plastic
   • Ductile
   • Malleable
   • Conductor
   • Insulating
   • Raw material
   • Natural material
   • Processed material

2. CHOOSING MATERIALS

   • Strong
   • Weighs
   • Attractive
   • Nice to touch
   • Cheap
   • Can build with
   • Readily available
   • Not contaminated or toxic

3. PROPERTIES OF MATERIALS

   • Sensory properties
     • Transparent
     • Translucent
     • Opaque
   • Mechanical properties
     • Hardness
     • Toughness
     • Deformability
     • Ductility
     • Malleability
   • Physical properties
     • Electrical, thermal and sound conductivity
     • Thermal expansion
   • Environmental properties
   • Chemical properties

4. HOW WOOD IS FORMED

   • Bark
   • Growth rings
   • Pith
   • Heartwood
   • Sapwood
   • Vascular cambium
   • Wood rays

5. NATURAL WOODS

   • Hardwoods
   • Softwoods

6. WOOD PRODUCTS

   • Man-made products
     • Plywood
     • chipboard
   • Wood derivaties
     • paper
     • cardboard
     • cork