Gr. 7 Structures & Forces- Section 4.0 Quiz

All structures are created to satisfy human needs (or wants). Although each structure is designed for a

very specific function the one thing that they all have in common is ...

Building components are designed to withstand more force than will normally occur or act on the

structure. Unfortunately some structures fail in extreme situations because the forces acting on the

structure have exceeded the structure’s ...

Various tests on a structure’s design are made before it is approved for use by the consumer. Consumer

Product Tests ensure that a product is safe to use. The first step in the testing process is to test the

product’s ...

During the Ice Storm in Quebec in 1998, ice crystals formed on many structures. Some of these

structures failed because the formation of ice crystals on the structure added to the structure’s ...

The most recent mudslides in North Vancouver (January, 2005) caused extreme damage and some loss

of life. This occurred because of the ...

Stability in a structure is dependant on a number of factors. One of these factors is whether or not a

structure could fail if an extreme force was applied to the structure that was not in the original design

specifications. The Empire State building is a steel frame building that survived the crash of a USAF

Bomber hitting it between the 78th and the 79th floors. The design component that likely enabled the

Empire State building to withstand this incredible force was its ...

A firm foundation is necessary to support a structure. Solid ground is not always firm and stable. There

are environmental and man-made conditions, which make the soil, loosen and become compact, which

makes the soil relatively unstable. Three strategies are use to ensure a structure is built on a firm

foundation. The three strategies include all of the following, EXCEPT ...

Improving designs by using different materials or incorporating new technologies can help to make a

structure perform its function more effectively. One way to solve a structural problem is to combine

materials and components in new ...

At birth, a baby has 350 bones. As the baby grows, the total number of bones in the body is reduced to

206. Nature’s way of strengthening the body is to use the 144 ‘missing’ bones to reinforce the frame by

this method ...

The process of forming a material into wave-like ridges or folds is called corrugation. Common examples

can be found in materials such as ...

A stronger material, made by gluing layers of the same material together, is done through a process

known as ...

Technological advancements have led to new composite materials being developed. One such material

is used in such diverse products as tires, fibre optic cables, sporting goods such has helments, and bullet proof vests for police. This composite material is known as ...

Any design can be evaluated from many different perspectives. The most common perspectives designers and engineers use include ...

Rocky Mountain bicycles modified a road bike and made this in 1982. The ‘Sherpa’ was the first one of

these produced.

Hollow triangle tubes are used as the traditional shapes for a bicycle. This is because they provide the

best ...

All departments within the bicycle company, such as marketing can have access to the bicycle specifications because the company uses this for all its bike designing and manufacturing ...

A radio that operates by turning a crank in the back provides enough power to last about 30 minutes. The

radio operates on mechanical energy, with no need for batteries or electricity. It could become very

popular because one of its best advantages is its ...