Lesson 05 – Choosing Materials

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Read About Choosing Materials


Read the vocabulary terms to understand the reading better.

Durability is when a material will last a long time.

Flexibility is when a material can bend without breaking.

A load is the mass or weight supported by something.

A material is the substance that is used to make something.

A mould is a hollow container used to give shape to a liquid material.

A structure is something that is made from different parts and joined together in a certain way to support a load.

Choosing Materials

When people build structures, they need to choose the materials that will work best in the structure. Here are some things people think about when choosing materials.

People also think about how easy it is to shape the material. Wet concrete and clay can be shaped by pouring them into a mould. Steel can be melted and poured into a mould. Wood can easily be cut into different shapes. Machines can cut stone into blocks. Making other shapes from stone is more difficult.

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