Show:
Structures
Forms
Classifying Structures
External & Internal
Review
100
Are structures human made or found in nature?
Both
100
What is the scientific version of a downward pull of Earth? What is an example that defies this?
Gravity, The Dead Sea
100
What are 3 examples of solid structures?
Concrete Dam, Wooden Telephone Pole, and a Marble Statue.
100
What are the two types that designers have to consider?
External and Internal
100
What is a structure?
Anything made of parts put together for a particular purpose
200
What is something you should keep in mind when creating a structure? (2)
Visual Appearance and Stability
200
How can you make a soccer ball go up then down?
You must have contact
200
What are 4 types of structures?
Solid, Frame, Shell, and Combination
200
Define Both Forces
External- A force acting on an object or structure from the outside Internal- A force acting between two parts of a body
200
Would your mass or weight change if you went to the Moon? Why?
Yes, because there is no gravity
300
What are 2 interesting buildings and why?
Dancing House in Prague, Czech Republic. Burn Dubai is 629.18m, is the tallest human made structure
300
Who was the Newton law named after?
Sir Isaac Newton
300
What are most structures?
Combination Structures
300
When you pull an elastic band, what do you get? When you press or squeeze something, what do you get?
Tension Compression
300
What type of internal force is created with a twist?
Torsion
400
How many functions can a structure have?
At least one.
400
What do forces have? (2)
Strength and Direction
400
Define Shell Structures
A hollow structure with a curved shape providing high strength and rigidity.
400
Describe the word Shear
Forces acting in an object as a result of pushes and or pulls in opposite directions; usually results in rips or tears in an object.
400
Classify the following as a structure: Firefighter Hat, Globe, Ladder.
Hat: Shell Glove: Shell Ladder: Solid or Combination
500
List 5 structures in nature.
Coral Reef, Spiderweb, Anthill, Bird's Nest, Beehive
500
Define the following: Dead Load, Live Load, and Dynamic Load.
Dead Load, a type of static load caused by the wright of the structure itself. Live Load, a type of static load caused by the weight of the objects it supports. Dynamic Load, any load on a structure that is not caused by gravity.
500
What is so special about the skull?
The skull is curved, hard, and hollow.
500
Define the word Torsion
Internal twisting forces created in an object as a result of a twisting motion being applied to the object
500
Which Internal force is which? A) Ripping a Piece of Paper B) Pulling Ropes to Set Up a Tent C) Twisting the lid off a container D) Squeezing the Tire on a Bicyle
A) Shear B) Tension C) Torsion D) Compression