Your answer can be any three famous structures that everyone agrees is correct
100
What is the strongest shape?
Why?
Triangles are the strongest shape. When you press the corners of a triangle the it does not change shape. Each side acts as a tie and a strut
100
Name 2 Natural structures
egg shell, bee hive, honey comb, tree, peanut shell etc.
100
How does a Tie work?
It holds two things together so that they do not separate when a force is applied. It stops two parts of a structure from being pulled apart
100
What is the difference between STRONG and STABLE
Strong means an object can support a lot of weight. Stable means an object will not fall over easily. It is well balanced.
200
How do you change a piece of paper to make it stronger?
You fold it, bend it, overlap it, roll it.
200
Name 5 man made structures
Any 5 that everyone else agrees on to be correct
200
How does a Strut work?
A strut keeps a structure up. It keeps it from collapsing or falling down when a force is applied. Use to stop two parts of a structure from being pushed together
200
What does Unstable mean?
An unbalanced structure. Something that can easily fall down or fall over
300
What makes a structure stable?
It is not easily moved or knocked over. It has a strong wide base and stands up on its own. It can also support a load without falling over.
300
In our experiment what was an effective way of making the paper tubes more stable?
Add rice or pasta to the tubes to make the bottom heavier.
300
Is a bridge a natural or man made structure?
man-made
300
Is it possible for a tie to be a strut? If yes show how in a diagram. If not explain why
Yes. Show teacher diagram
300
What would be more stable? A structure that is tall and skinny or short and wide?
Short and wide
400
What is a structure?
Any object that supports a load
400
Two tricks to making a strong and stable newspaper roll structure is:
Making a strong base. Making a wide base. Using triangles. Using ties and struts. Making sure the top is not too heavy. Making sure to role the paper tight to make sure the roles are strong.
400
Name an stable natural structure
egg shell, tree, mountains etc.
400
Draw a diagram that shows a Tie and a Strut supporting a structure
Show the diagram to the other team and the teacher
400
What is one of the weakest shapes?
Square or rectangle
500
Where is the Sydney Opera House?
Australia
500
What does it mean to reinforce something?
to make it stronger or more stable. Or to add something to a structure to stop it from collapsing or breaking
500
Name an unstable man made structure
Leaning tower of pisa, a falling down barn, gallopping girdy (the bridge from the video that was wavy)
500
Draw the roof of a house and label a tie and a strut
Show your diagram to the other team and to the teacher
500
What is a structure that we see or use every day that we depend on to be strong and stable?
Office buildings, roofs, houses, stairs, ladders, chairs, desks, cars, etc. If you are unsure if your answer is correct ask the teacher