Show:
What are Structures?
Forces and Structures
Properties of Building Materials
Strengthening Building Materials
100
The strongest shape used in structures.

What are triangles?

100
The two forces that act on structures.

What are tension and compression?

100

How long a material will last.

What is durability?

100

Using more than one _____ of a building material makes it stronger.

What is a layer?

200
Natural built structures. (Give at least three examples)
What are birds nests, bee hives, and coral reefs?
200

What is tension?

What is a pulling force?

200

Flexibility.

What is how much a material will bend?

200
Two techniques used to strengthen rope.

What is twisting and braiding?

300
Definition of a structure.

What is something that holds a load and has a shape, size, and purpose?

300
What is compression?

Compression is a pushing force.

300

How much of a load a material can handle?

What is strength?

300

A technique where you make the material smaller by adding more layers.

What is folding?

400

Examples of Human Built Structures. (At least 3)

What are bridges, houses, and desks?

400

If Margot is standing on a stage, what force is the stage experiencing?

Compression

400

A material that is very strong, not flexible, and very durable.

What is steel or brick?

400

An example of an object that is layered that we use in our everyday life.

What is toilet paper?

500
Examples of structures in the classroom.

What are desks and chairs?

500

When a rope is pulled at both ends, what force is acting on it?

What is Tension?

500

A material that is flexible.

What is plastic or rubber?

500
Builders stack multiple layers of materials for this reason.

What is making a structure stronger?