Types of material
Properties of materials
Uses of materials
Electrical safety
Hazard symbols
100

TRUE or FALSE

Nylon is a natural material

FALSE

100

One useful property of nylon is that it is _______

Strong, durable, waterproof, flexible

100

Identify one use of carbon fibre

Car bodies, fishing rods etc

100

In a three pin plug, the green and yellow wire is the...

Earth wire

100

What does a hazard symbol with a skull and crossbones mean?

Toxic

200

Name one natural material

Wool, cotton, silk, wood

200

One useful property of a material is electrical conductivity. Name a material with this property

Copper

200

Identify one use of copper

Electrical wire, cooking pots, heating pipes

200

In a three pin plug, the brown wire is the...

Live wire

200

What does a hazard symbol with flame mean?

Flammable

300

TRUE or FALSE

A synthetic material is man made

TRUE

300
A useful property of ______ is that it is a good conductor of heat

Copper, brass, aluminium

300

Clothes, bags and hats are examples of uses of this natural material produced by sheep

Wool

300

In a three pin plug, the blue wire is the...

Neutral wire

300

What do we call the hazard symbol for chemicals which may be harmful to plants and animals?

Environmental hazard

400

Polyester, nylon, acrylic and spandex are all examples of ________ materials

Synthetic

400

What property of nylon makes it good for use as fishing line?

Strong, durable, flexible

400

Hydrogel is a smart material used in _______

Babies nappies

400

What part of a three pin plug melts when too much current is passed through it?

The fuse

400

What might you do to ensure safety when using a corrosive chemical?

Wear gloves/lab coat/eye protection

500

A fabric bag could be made out of cotton. Name a synthetic material which could be used instead

Nylon

500

Drainpipes can be made from iron. Name a material which would be more resistant to corrosion

Plastic

500

Car tyres, erasers and bath plugs are all uses of ________

Rubber

500

In a three pin plug, which wire goes on the left?

Blue/Neutral

500

Draw the hazard symbol that means corrosive

Two test tubes dripping liquid onto a hand and an object