What is the main function of a structure?

• To decorate buildings
• To support loads and stay stable
• To produce energy
• To conduct heat

Which of these is a natural structure?

• A bridge
• A tree
• A car
• A building

Which of these is an artificial structure?

• A spider web
• A dam
• A beehive
• A mountain

A structure is stable when...

• It is very flexible
• It moves easily
• All forces acting on it are balanced
• It is made of metal

The main function of a beam is to...

• Support horizontal loads
• Transmit motion
• Decorate
• Hold liquids

Pillars or columns mainly resist...

• Torsion
• Compression
• Shearing
• Bending

Which shape gives more stability to a structure?

• Square
• Rectangle
• Triangle
• Circle

To make a structure rigid and undeformable, the best method is...

• Decoration
• Triangulation
• Painting
• Adding weight

A vault is...

• A series of arches forming a curved roof
• A solid wall
• A decorative frame
• A flat beam

A dome is...

• A spherical vault that covers a circular space
• A type of pillar
• A suspended structure
• A laminated wall