Choose Different Materials to Make the Same Object

All materials can be described in terms of their properties.

We know that often several materials can be described in the same way.

We say that these materials have the same properties.

We also know that many objects in our homes and at school are made from different materials.

Be careful not to mix up the object with the material!

Bottles are objects.

They can be made of plastic or glass.

Plastic and glass are materials.

Plastic bottles do not break if we drop them. Glass bottles are more stiff and strong, but they will smash if they are dropped.

Let's look at some everyday objects and give reasons why they are made from different materials!