What is a Material? How are Materials used?

What materials can you think of? Plastic Metal Wool Glass Wood Rock or Stone Fabric Rubber Sand

What are the following objects made out of? Describe the following Materials according to their properties. Make a list of the properties of the Materials.

Wood Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Rubber Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Plastic Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Metal Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Wool Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Fabric Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Glass Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Rock or Stone Properties Hard Transparent Brittle Tough Soft Rigid Flexible Opaque

Write a list of the properties of the Materials we have looked at. Think of the properties we have discussed and what the materials are used for.

In your groups discuss how these materials could be sorted. Share your ideas with the rest of the class. Have you all come up with similar ideas?

In your groups discuss which materials you think are the most important to us in our daily lives. Complete the Diamond Ranking grid to show how you would rank the importance of the materials from most important to least important.

Which material do you think is the most important in our daily lives? Which one do we use the most? What could we not live without? Least important Most important

Share your views about how you ranked the materials from most important to least important. Are your views all the same? Are your views similar or different? What problems did you come across in your group discussion?