All About Structures
What is load?
A weight that is supported by something or someone.
What is a natural structure?
Natural structures are not made by people. These structures occur naturally in the environment.
What is the meaning of strength?
A strength of a structure is its ability to support a load.
What is the purpose of a bridge?
The purpose of a bridge is to help get them from one location to another. They can cross obstacles such as streams, valleys and railways tracks.
Is entertainment and amusement a positive impact on the environment or negative?
What is a structure?
A structure is a supporting framework that has a definite shape, size and purpose.
What is a human made structure?
Human made structures are made by people. They do not occur naturally in the environment.
What is the meaning of stability?
The Stability of a structure is its ability to balance and stay fixed in one spot.
What type of bridge uses horizontal beams and is supported by pillars?
A beam bridge.
Is destroyed grassland/ farmland a positive or negative impact on the environment?
Negative impact.
What is a famous structure in Paris, France?
The Eiffel Tower.
A beehive is an example of what?
A natural made structure made by bees.
What are the purposes of struts and ties in a structure?
The purpose of a tie is to keep two parts of a structure from separating.
The purpose of a strut is to stop a structure from collapsing of falling down.
What is a truss bridge?
A truss bridge is made up of series of straight steel bars that form triangles. Two piers(pillars) are also used to support the bridge.
How can electricity be a positive impact on the environment?
Electricity is a positive impact when is uses wind and solar energy.
What is the purpose of the CN Tower?
1) Communication Tower
2) Observation Deck to see around Toronto.
A Totem Pole is an example of what?
A Totem Pole is a human made structure seen in the aboriginal community.
A short structure is more stable because it has a strong base and foundation.
What supports an arch bridge?
An arch bridge relies on a series of arches for support.
How are trucks used for transportation a negative impact on the environment?
The trucks that are used to transport materials to building site leads to pollution from the exhaust fumes.
What is one of the most important function of a structure?
To support a load and the weight of itself.
What are three reasons why animals build structures?
1) To create protected home.
2) To catch prey
3) For communication between members of the same species
What should you consider when choosing the material for your structure?
Heavy vs light, flexible vs keeps it shape, last a long time vs. short life and impact on environment.
The Golden Gate Bridge is an example of what bridge?
The Golden Gate Bridge is an example of a suspension bridge.
What are the negative impacts of building structures on animals?
Animals homes are destroyed and they are unable to survive.