OC 1: Structures are found in natural and man-made environments.
An egg is an example of what type of structure?
Shell
What are the three types of internal forces?
Compression, Tension, Shear
The process of forming a material into wave-like ridges or folds is known as:
Corrugation
Define the term margin of safety.
the limits within which a structure’s safety performance is felt to be acceptable
What is the function of a structure?
The structure's purpose.
What is the difference between a natural and a manufactured structure?
A manufactured structure is created by man and a natural structure occurs naturally in nature.
A static load can also be referred to as a
Dead load
The process of gluing layers of material together to create a strong bond is called
Structural safety is affected by a variety of environmental factors such as:
terrain, climatic conditions, earthquake risk
True or False: Fixed joints are rigid to prevent any movement
True
Is a birds nest an example of a natural or manufactured structure?
Natural
An external force on a structure is also called a
Evaluating the safety of a structure can be done by monitoring:
The forces acting on it.
What are the two ways to make something stronger?
Designing new materials or making the current materials stronger.
The force that results when the surface of one object moves against the surface of another is referred to as:
Friction
Shell, Frame, Solid
A type of stress that acts to pull a material apart is called
Tension
The change of shape in a structure because the material is unable to resist the load acting on it is referred to as:
Deformation
Compression test
Drop Test
Twist Test
Tension Test
Toxicity Test
How Fast They Burn
True or False: A stick shift on a car contains a rigid joint.
False
What does the term aesthetics mean?
Aesthetics is how visually-pleasing a structure is.
How does a structure's centre of gravity relate to its stability?
The lower the mass of the object is to the ground, the more stable an object is.
How easily material breaks can be referred to as
Brittleness
How are building materials chosen?
Strength, Cost, Appearance, Impact on Environment, Energy Efficiency
What is Miss Ortman's dogs name?
Archie