Technical materials

The technical materials are divided into: woods, metals, plastics, (a)   and construction materials.

Clay is a natural or processed?

• Natural

• Processed

Choose a sensory property.

• Hard

• Texture

• Gold

• Toxicity

Thermal (a)   doesn't conduct the heat.

Ductile materials ... 

• Can be touched easily

• Stay in the shape that you put when you stretch them

• Shape into threads

• Can break easily

Select the characteristics of the wood.

• Conductor

• Porous

• Brittle

• Tough

• Plastic

Choose the real types of wood.

• Plywood

• Rankwood

• Cidrus

• Loftwood

A mixture of two or more metals is called ...

(a)  

Select a ferrous metal.

• Aluminium

• Copper

• Steel

• Titanium

Answer explanation

This is a construction nut.