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Paper folded into a concertina is strong.

# Structures

This Arts and Crafts quiz is called 'Structures' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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Structures include buildings, towers and bridges, and all of these must be strong and stable so that they don't fall down. Some structures in the world have been around for thousands of years and have been built to last. The Egyptian pyramids are a good example. What techniques can we use when making a structure so that it will be as strong and as stable as the pyramids?

1.
What is the purpose of a structure?
To protect objects
For climbing on
To be fun
All structures have to support a load, even if it is just their own weight
2.
Which paper will be strongest?
A flat sheet of paper
A sheet of paper folded in half
A sheet of wet paper
A sheet of paper folded into a concertina
Have you ever made a paper fan? They are much stronger than unfolded paper
3.
What is the minimum number of legs required for a chair to stand up?
1 leg
2 legs
3 legs
4 legs
One-legged and two-legged chairs are unable to balance
4.
Which frame is the strongest?
Triangle
Square
Rectangle
Hexagon
The triangle is the strongest frame
5.
In order to be stable a structure must what?
It must be strong
It must balance
It must have five legs
It must be made of metal
Some weak structures can stand up, if they are not disturbed. Think of a house of cards
6.
How could a square wooden frame be made sturdier?
Use cardboard triangles on the corners
Use strong nails
Paint the corners
Add a dab of glue to each corner
The triangles add their own strength to support the corners
7.
What do all structures need?
A framework
Legs
Nets
Glue
A framework is what supports a structure
8.
Which of these is NOT used to join paper?
Glue
Sticky tape
Paper clips
Metal solder
Solder is used to join metal together, for example metal wires in electronics
9.
What is the flat shape that can be folded to make a box called?
Web
Net
Cube
Package
A net has six squares joined together. When it's folded these squares become the faces of the cube
10.
Which is the best method of joining textile and wood?
Welding
Sticky tape
Metal tacks