PLTW CEA 2.3 Vocabulary Terms

Front

The maximum compressive stress a material can withstand without failure.

Back

Compression strength

Front

A solid, hard material produced by combining Portland cement, aggregates, sand, water and sometimes additional mixtures.

Back

Concrete

Front

The finish board covering the edges of rafters and eaves.

Back

Fascia

Front

The lowest, widest part of the foundation that distributes the load over a broad area of the soil.

Back

Fascia

Front

The lower part of a building, which transfers structural loads from the building to the soil.

Back

Foundation

Front

The energy needed to warm outside air leaking into a building through cracks around doors, windows, and other areas.

Back

Heat Loss

Front

Energy radiated or transmitted as rays or waves, in the form of particles.

Back

Radiant Heat

Front

Member of a roof structural frame that supports the sheathing and other roof loads.

Back

Rafter

Front

Steel bar used to reinforce concrete.

Back

Rebar

Front

The numerical value used to indicate the resistance to the flow of heat.

Back

R-value