Defining properties of materials

A material that you cannot see through is...

• opaque

• transparent

• hard

• dark

A water bottle keeps the water cold because...

• it is hard

• it is opaque

• it is insulated

• it is absorbent

I would use an................ material to soak up a spilled drink

• waterproof

• absorbent

• transparent

• soft

If your car breaks down you should wear a reflective vest so that...

• other motorists can see you

• you will stay warm

• you can keep cool

• it can absorb your tears

Clothes need to be flexible so that...

• We can stay warm

• We can bend our bodies

• We can keep the water out

• We cannot see through them

Materials that allow liquids and gases to pass through them are...

• absorbent

• hard

• waterproof

• permeable

Materials that catch fire easily are...

• waterproof

• insulating

• flammable

• magnetic

For a shower cubicle I would choose a material that was...

• waterproof

• permeable

• translucent

• magnetic

Wires are covered in plastic because...

• it is an insulator

• it is a conductor

• it is hard

• it is reflective

Diamonds are hard so they are...

• flexible

• easy to bend

• hard to scratch

• easy to scratch