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Gr. 7- Structures & Forces: Unit Final

Last updated over 3 years ago
20 questions
Section 1 – Natural and Human-made Structures
1

A student who was studying for a test remembered the different models the teacher used in class to
identify the different kinds of structures. When the teacher made a tent-like position with the hands, the student remembered it represented a ...

1

A frame structure like your skeleton is made of very strong materials so they can support the ...

1

Inukshuit is a unique symbol of Inuit culture, always pointing the way home. To
anyone who encounters these manufactured structures (which come in many different forms
and shapes) the greeting they convey is one of joy and happiness. Their purpose is to ...

1

The 5 glass-pyramids of the Muttart Conservatory in Edmonton house different types of plant cultures, including; tropical, arid and temperate. It is more than just a garden though, because it hosts many of Edmonton's premier floral shows, educational programs for school children, horticultural courses for adults and continues as a very popular site for weddings, banquets and business activities. Because these structures are used for a variety of reasons, they have multiple...

1

Roof types are designed for cover and also to serve a useful purpose in the environment in which they
can be found. A very steep roof design in a mountainous area is designed to prevent ...

Section 2.0-External and Internal Forces Act on Structures
1

The actual effect of a force depends on three things: the magnitude, or size of the force; the direction of
the force; and ...

1

The standard unit of measuring force is named after a famous English scientist, who was the first to
describe the ‘law of gravitation’, getting the idea for the law as he sat under an apple tree. This unit of
measuring force is similar to the amount of force needed to hold an apple in your hand and is called a ...

1

A dynamic load on this train bridge is the ...

1

The 7 wonders of the Ancient World took may years to complete, but they lasted a very long time. Why
do you think that the Statue of Zeus at Olympia lasted so long?

1

The strongest structural shape is a ...

Section 3 – Structural Strength and Stability
1

The materials in structures can be evaluated according to many properties. The property that describes
how easily a material can be shaped is called ...

1

The force that resists another object when the surfaces of each are in contact is called ...

1

One way landscape architects join stones to make retaining walls and split-rail fences is to use this
method ...

1

Joints are made to withstand forces acting on them for long periods of time. Wear and tear parts of
moveable joints are caused by friction. Friction also generates ...

1

The layer of material in a tree trunk that supports the rest of the structure, but does not function to conduct water and materials is the ...

Section 4 – Structures are designed, evaluated, and improved to meet human needs
1

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 ...

1

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 ...

1

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

1

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 ...

1

Technological advancements have led to new composite materials being developed. One such material
is used in such diverse products as tires, fibre optic cables, and sporting goods. This composite material
is known as ...