What is...
What is compression?
When something is pushed together.
Name 3 examples of levers.
i.e., stapler, scissors, clothes pin
Name 3 natural structures
Name 3 natural materials
i.e., wool, sand, wood
Name an example of a strut that we discussed in our workbook.
A tent pole.
What is triangulation?
Using a triangle shape to make a structure stronger and more stable.
What is the fulcrum?
The part of the lever the does not move when the lever is on use.
Name 3 built structures
i.e., tent, pyramid, ladder, fence
Name 3 built materials
i.e., plastic, glass, paper
A strut is...?
A rod or bar that helps a structure resist pressure.
What is tension?
When something is pulled apart.
Name the 2 parts of a lever.
A beam and a fulcrum
What is a structure?
Something with a definite size, shape, purpose, and can hold a load.
What is a material?
Something that is used to make an object or structure.
Name an example of a tie that we discussed in our workbook.
A tent cord.
What is stability?
A structure's ability to balance and stay fixed in one spot.
What is strength?
A structure's ability to support a load.
A tie is...?
A beam or wire that supports a structure with tension.
What is durability?
The material or structure will not get damaged easily.
Name 3 ways to make materials and structures stronger. (Remember: a rope)
Twisting/Braiding
Adding Layers
Folding