What does 'structural integrity' mean?

The color of a structure The ability of a structure to hold together under load without breaking or deforming The flexibility of a structure The height of a structure

Which force pulls structures and materials toward the Earth?

Friction Gravity Magnetism Tension

What term describes a structure’s ability to stay upright and not tip over?

Elasticity Stability Flexibility Rigidity

What part of a building usually bears the most weight?

Roof Foundation Walls Windows

What material property measures how much force it can take before breaking?

Flexibility Strength Elasticity Transparency

Which shape is often used in bridges for strength and stability?

Square Triangle Circle Rectangle

Why do tall buildings need strong foundations?

To make them look taller To prevent them from sinking or toppling under their own weight To keep them flexible To hold windows in place

What type of load is caused by the weight of the structure itself?

Live load Dead load Wind load Dynamic load

Which of these is an example of a 'live load'?

The weight of the walls People walking inside a building The building foundation The roof structure

Which material is known for its excellent compressive strength?

Rubber Concrete Plastic Glass

Which type of force tries to stretch a material apart?

Compression Tension Shear Bending

What kind of structure distributes loads evenly through a curved shape?

Beam Arch Column Wall

Which everyday material is best for building flexible yet strong structures?

Glass Wood Paper Clay

What structure shape is most resistant to twisting forces?

Square Cylinder Rectangle Triangle

Why do engineers test models before building full-sized structures?

To make construction faster To predict how the structure will handle forces and identify weaknesses To use up leftover materials To test paint colors