Gr. 7 Structures Review

In order for a structure to be stable, the center of gravity must be...

• high
• low
• in the middle
• on the outside

Factor of safety allows for a structure to support

• more live load
• more dead load
• more dynamic loads
• all of the above

Which of the following strengthens a structure?

• using squares
• using a frame
• using lamination
• all of the above

Which of the following shapes is the strongest?

• triangle
• square
• arch
• ovals

If you are making a container to hold something, you would want a ________ structure.

• Frame
• solid
• shell
• combination

If you are making the foundation of a building, you would need a _______ structure.

• solid
• frame
• shell
• combination

If you are making a bicycle, the main structure you would need is

• solid
• frame
• shell
• combination

Which of the following explains why a triangle is more stable than a rectangle?

• length of sides
• angles
• diagonals
• vertices

A bird sitting on a wire is a _______ load.

• static
• dynamic
• live
• dead

In a building, the walls of the building is a _________ load

• dynamic
• dead
• live
• all of the above