PLTW CEA - Final Review 100% Updated!

Compression Strength - ANSWERThe maximum compressive stress a material can withstand without failure. Concrete - ANSWERA solid, hard material produced by combining Portland cement, aggregates, sand, water and sometimes additional mixtures. Design Temperature Differential - ANSWERThe difference between the indoor temperature in winter and the outdoor design temperature in winter. The design temperature differential or design range is used in calculating the space heating requirements of a dwelling unit under the engineering-based methodology. Fascia - ANSWERThe finish board covering the edges of rafters and eaves. Footing - ANSWERThe lowest, widest part of the foundation that distributes the load over a broad area of the soil. Foundation - ANSWERThe lower part of a building, which transfers structural loads from the building to the soil. Heat Loss - ANSWERThe energy needed to warm outside air leaking into a building through cracks around doors, windows, and other areas. Radiant Heat - ANSWEREnergy radiated or transmitted as rays or waves, in the form of particles. Rafter - ANSWERMember of a roof structural frame that supports the sheathing and other roof loads. Rebar - ANSWERSteel bar used to reinforce concrete. R-Value - ANSWERThe numerical value used to indicate the resistance to the flow of heat. Sole Plate - ANSWERThe plate placed at the bottom of a wall. Square (Quantity of Shingles) - ANSWERIn roofing, 100 square feet of roofing material.