Which material has the largest elongation to failure - Rubber - Cement - Glass - Wood - PVC Which material has the longest fatigue life - Copper - Aluminum - Glass - Steel - Foam - PVC Which material has highest thermal conductivity - Copper - Aluminum - Glass - Steel - Foam - PVC Which material has highest density - Rubber - Steel - Carbon fiber reinforced epoxy - Wood - Foam - PVC - Identify and describe four types of innovation, define and identify - Explain how density influences the overall mass of a product - Define stress - Define Strain - Define hardness - Define toughness - Define Fatigue life - Label important points on a stress and strain diagram including elastic region, yield point, ultimate tensile strength, fracture, strain hardening, necking - Identify and describe the main 4 categories of materials - Identify a method used to test hardness - Identify the relative surface roughness of different materials - Describe Specific strength and specific stiffness - Compare the elastic modulus, elongation to failure, fatigue life, thermal properties, electrical properties, and density of common materials (Aluminum, steel, polystyrene, rubber, cement, carbon fiber reinforced epoxy, Copper, glass, and wood) - Identify a method for testing fracture toughness