PLTW CEA
Compression Strength - ANSThe maximum compressive stress a material can withstand without
failure.
Concrete - ANSA solid, hard material produced by combining Portland cement, aggregates,
sand, water and sometimes additional mixtures.
Design Temperature Differential - ANSThe 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 - ANSThe finish board covering the edges of rafters and eaves.
Footing - ANSThe lowest, widest part of the foundation that distributes the load over a broad
area of the soil.
Foundation - ANSThe lower part of a building, which transfers structural loads from the building
to the soil.
Heat Loss - ANSThe energy needed to warm outside air leaking into a building through cracks
around doors, windows, and other areas.
Radiant Heat - ANSEnergy radiated or transmitted as rays or waves, in the form of particles.
Rafter - ANSMember of a roof structural frame that supports the sheathing and other roof loads.
Rebar - ANSSteel bar used to reinforce concrete.
R-Value - ANSThe numerical value used to indicate the resistance to the flow of heat.
Sole Plate - ANSThe plate placed at the bottom of a wall.
Square (Quantity of Shingles) - ANSIn roofing, 100 square feet of roofing material.
Tensile Strength - ANSThe maximum stress a material subjected to a stretching load can
withstand without tearing.
Thermal Conduction - ANSThe process of heat transfer through a solid by transmitting kinetic
energy from one molecule to the next.
, Thermal Convection - ANSHeat transmission by the circulation of a liquid or a heated gas or air.
Transmission Load - ANSHeat loss/gain resulting from the conduction of heat through the
building envelope.
U-Factor - ANSA measure of the heat transmission through a building part (as a wall or window)
or a given thickness of a material (as insulation) with lower numbers indicating better insulating
properties.
Aesthetics - ANSthe quality of an objects that deals with art, beauty, and taste
Arch - ANSa curved structure for spanning an opening, designed to support a vertical load
primarily by axial compression
Architect - ANSan individual trained in the art and science of designing and constructing
buildings
Balance - ANSthe pleasing or harmonious arrangement or proportion of parts or elements in a
design or composition
Bearing Walls - ANSsolid walls that provide support for each other and for the roof of a structure
Civil Engineering - ANSan engineer trained in the design and construction of public works, such
as bridges or dams, and other large facilities
Color - ANSaspect of the appearance of objects and light sources that may be described in
terms of hue, lightness, and saturation
Contrast - ANSa visual principle associated with change made in size, shape, color, or tone of
graphic elements
Design Principles - ANSRules that describe how designers might put together various design
elements to create an aesthetic finished product
Dome - ANSan arrangement of several arches whose bases form a circle and whose tops meet
in the center
Element of Design - ANSa basic visual component or building block of designed objects
Emphasis - ANSstress or prominence given to an element in a composition by means of
contrast, anomaly, or counterpoint
Facade - ANSexterior face of a building
Compression Strength - ANSThe maximum compressive stress a material can withstand without
failure.
Concrete - ANSA solid, hard material produced by combining Portland cement, aggregates,
sand, water and sometimes additional mixtures.
Design Temperature Differential - ANSThe 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 - ANSThe finish board covering the edges of rafters and eaves.
Footing - ANSThe lowest, widest part of the foundation that distributes the load over a broad
area of the soil.
Foundation - ANSThe lower part of a building, which transfers structural loads from the building
to the soil.
Heat Loss - ANSThe energy needed to warm outside air leaking into a building through cracks
around doors, windows, and other areas.
Radiant Heat - ANSEnergy radiated or transmitted as rays or waves, in the form of particles.
Rafter - ANSMember of a roof structural frame that supports the sheathing and other roof loads.
Rebar - ANSSteel bar used to reinforce concrete.
R-Value - ANSThe numerical value used to indicate the resistance to the flow of heat.
Sole Plate - ANSThe plate placed at the bottom of a wall.
Square (Quantity of Shingles) - ANSIn roofing, 100 square feet of roofing material.
Tensile Strength - ANSThe maximum stress a material subjected to a stretching load can
withstand without tearing.
Thermal Conduction - ANSThe process of heat transfer through a solid by transmitting kinetic
energy from one molecule to the next.
, Thermal Convection - ANSHeat transmission by the circulation of a liquid or a heated gas or air.
Transmission Load - ANSHeat loss/gain resulting from the conduction of heat through the
building envelope.
U-Factor - ANSA measure of the heat transmission through a building part (as a wall or window)
or a given thickness of a material (as insulation) with lower numbers indicating better insulating
properties.
Aesthetics - ANSthe quality of an objects that deals with art, beauty, and taste
Arch - ANSa curved structure for spanning an opening, designed to support a vertical load
primarily by axial compression
Architect - ANSan individual trained in the art and science of designing and constructing
buildings
Balance - ANSthe pleasing or harmonious arrangement or proportion of parts or elements in a
design or composition
Bearing Walls - ANSsolid walls that provide support for each other and for the roof of a structure
Civil Engineering - ANSan engineer trained in the design and construction of public works, such
as bridges or dams, and other large facilities
Color - ANSaspect of the appearance of objects and light sources that may be described in
terms of hue, lightness, and saturation
Contrast - ANSa visual principle associated with change made in size, shape, color, or tone of
graphic elements
Design Principles - ANSRules that describe how designers might put together various design
elements to create an aesthetic finished product
Dome - ANSan arrangement of several arches whose bases form a circle and whose tops meet
in the center
Element of Design - ANSa basic visual component or building block of designed objects
Emphasis - ANSstress or prominence given to an element in a composition by means of
contrast, anomaly, or counterpoint
Facade - ANSexterior face of a building
