Grade 3 Structures Quiz

What is a structure?

• A supporting framework with a definite size, shape and purpose.

• An animal that lives on the plains of Africa

• A large plant in South America

• An intersection

What is a natural structure?

• A structure that is made by people.

• Structures that occur naturally in the environment.

• Fishing nets, totem poles and fences

• Large buildings and bridges

Truss bridges use the _____________ shape to strengthen the structure.

• Ovals
• Trapezoid
• Triangle 
• rectangle

It is important for most structures to be strong.

• True
• False

What is the strongest shape?

• Triangle
• Square
• Circle
• None of the above

The strongest structural shape is _________.

• rectangular
• arched
• square
• triangular

The distance from one end of a bridge to the other end of the bridge...

• Bridge Tower
• Bridger 
• Bridge Deck
• Bridge Span

This is the weight carried or supported by an object.

• heaviness
• weight
• load
• mass

Which of these describes a beam bridge?

• Has tall towers that support a main cable
  
• Built with triangles made of steel bars.
• A curve shaped bridge.
• Has a horizontal beam supported by piers

Which of these describes a truss bridge?

• An curve shaped bridge
• Built with triangles made of steel bars
• Has tall towers which support a main cable.
• Has a horizontal beam supported by piers