Structures
This has shape, size, and purpose.
What is a structure?
Beehives, beaver dams, caves, and volcanoes
What are nature-made structure?
How well a structure can stay in one spot and keep its position.
What is stability.
Chalk, paper, metal, clay, stone, and steel are types of what?
What are materials.
Two forces act on structures constantly.
What is compression and tension.
When engineers design a structure they need to think of the _______ of the structure to know how to build it.
What is purpose?
Name three examples of man-(person) made structures.
What is a building, the CN Tower, a bridge, a house, a shopping centre, a fridge, a T.V, a couch...and so many more ?
A structure that will fall over and not keep its balance and may move from one spot to another.
What is an unstable structure?
This is the most popular material for building strong structures, like skyscrapers, because it is low cost but high in strength.
What is steel.
The centre of a structure where there is equal weight between above and below the centre.
What is the centre of gravity?
Structures comes in many ________ and _________.
What are shapes and sizes?
Everything in our planet is either a _________ or a _________ structure.
What is man-(person) made or nature-made structure?
This unstable structure is often played in groups and is made of wooden blocks that are stacked up.
What is Jenga?
How long a material will last.
What is durability?
This is a pushing force.
What is compression.
How much weight a structure must hold.
What is load?
These structures were made by humans.
What are man-(person) made structures?
Name a strong stable structure.
(Answers may vary)
Adding layers, twisting and braiding, and folding materials makes them_________.
What is stronger?
This is a pulling force.
What is tension?
The ________ of a structure is how much weight it can hold.
What is strength?
The amount of force a structure can hold.
What is the breaking point?
Strength, flexibility, and durability are _____________.
What are properties of materials.
This is the strongest shape.
What is the triangle?
Strong structures use these to keep them stable and able to withstand heavy loads.
What are ties and struts?