Materials

What I Should Already Know

  • Objects are made from materials.

  • A variety of everyday materials: wood, glass, plastic, metal and fabric.

  • Some materials are natural(wood) some are man-made (plastic).

  • Describe properties of materials: soft, hard, shiny, rough etc.

  • Identify similarities and differences of materials and their properties: stretchy, stiff, transparent, opaque, absorbent etc.

Key Vocab

Word

What Does it Mean?

Properties

A characteristic something has e.g. hard, soft etc.

Material

What something is made from

Stiff

It is not easy to bend stiff things

Opaque

Cannot be seen through

Dull

Not shiny

Transparent

Can see through it

Absorbent

Soaks up water and other liquids

Waterproof

Does not allow water to pass through it

Rough

An object that is bumpy. The opposite to smooth.

What is a solid?

Solids have a shape that is not easy to change.

To change them we must bend, squash, twist or stretch them.


How can solids be changed?


Bending

This is when an object is forced into a curve or an angle.


Squashing

This is when an object is crushed or squeezed so that it changes shape.



Twisting

When something is turned so that it does not look how it did before.


Stretching

When an object is made longer or wider without breaking it.

Materials and their uses

Materials have different properties that make them useful for different things.

Material

Picture

Properties

Uses


Wood


Opaque

Hard

Strong


Doors

Chairs


Glass


Transparent

Waterproof


Window


Metal


Shiny

Hard

Smooth


Coin

Fork


Fabric



Opaque

Stretchy


Clothes

Blankets

Think you know it all? Take the quiz!