Science Chapter 4 Quiz

An extreme weakness that results in permanent changes such as cracking.

• structural components

• symmetry

• fatigue

• stability

• centre of gravity

Ability of a structure to maintain its position.

• structural components

• symmetry

• fatigue

• stability

• centre of gravity

Balanced arrangement on opposite sides of a structure (it has equal halves).

• structural components

• symmetry

• fatigue

• stability

• centre of gravity

An imaginary point in a structure where the force of gravity acts.

• structural components

• symmetry

• fatigue

• stability

• centre of gravity

Parts of a structure that can add strength to it (e.g., arches, beams, columns).

• structural components

• symmetry

• fatigue

• stability

• centre of gravity

The stability of a structure depends on its

• materials

• construction techniques

• centre of gravity

• all of the above

A truss is a framework of beams joined together. Trusses are usually in the form of

• interlocking triangles

• interlocking rectangles

• interlocking arches

• none of the above

A structure with a _______ centre of gravity is more stable.

• medium

• high

• low

• tall

The following is a structural component.

• column

• girders

• arch

• all the above

The following shape is the strongest of all shapes.

• column

• rectangle

• square

• triangle