True or False: Animals build structures
True!
Spiders spin webs!
What is strength?
The strength of a structure is its ability to support a load.
What is stability?
The stability of a structure is its ability to balance and stay fixed on one spot
What does triangulation mean?
A structure is something with a definite....
size, shape, purpose and (can hold a load).
natural structure
Is a tent or a cabin stronger?
Cabin, wood is not blown over by wind
What does durable mean?
Durable means a material or structure will not get damaged easily
What are some examples of triangulation in real life?
Pyramids, Roof on a house, Eiffel Tower
What is a material?
Something used to make an object or structure
A pyramid is a....
Built Structure
Is a fishing net or a spider web stronger?
Fishing net
Is cloth durable?
No, it will be worn away over time. You can get a hole in your sock!
A force is ....
a push or pull
The materials in a pencil are....
wood, rubber, metal and graphite
Built Structure
Braid
What does flexible mean?
Flexible means a material or structure can bend without breaking
Compression is a force where something ....
squished down or pushed together
What is the tall structure in "Turning Red" called?
CN Tower!
Which of the following is not a natural structure? Wool, Water Bottle, Diamond
Water Bottle!
Adding l_______ helps a structure become stronger.
(Hint. A l______ is one piece of material)
layers
What is an example of a material that is not flexible?
Brick
Tension is a force where...
something is pulled apart or stretched