material properties
metals
wood
plastics
random
100

what is the property Insulation ?

The ability to retain heat or electricity

100

define what ferrous means

ferrous metals contain iron

100

Name one common softwood

red deal or white deal, pine etc

100

why do we keep the plastic flim on the outside of the plastic we use in the tech room

To protect the plastic from scratching

100

Give an example of a material we use in technology!

wood,plastics , fabrics,  composites etc...

200

what is the property Elasticity?

something can be deformed and return to its original shape

200

What is an alloy?

A mixture of two or more metals

200

What is a manufactured/engineered wood?

This wood is made by gluing layers or small layers of wood together

200

explain why we use plastic in clothes!

We use plastics in clothes to make them longer wear and waterproof

200

what is a smart material?

these materials can change their properties in response to the environment

300

define Hardness

A material that can resist a dent or scratch

300

what colour is copper ?

reddish/brown

300

name 2 hardwoods

Oak,Maple ,Ash etc..

300

give me two examples of a thermoplastic!

Polyethylene, polyvinyl chloride, polystyrene, acrylic, nylon, and Teflon are examples of thermoplastics.

300

what is a synthetic fibre ?

are a fabric made from plastics/man made materials

400

define Malleability

something that can be beaten or stretched out in all directions without breaking

400

what is steel made from ?

Carbon and iron

400

Name one safety consideration you must think of when working with wood

Inhaling dust or splinters

400

what is a thermosetting plastic ?

a plastic that can be soften by heat only once

400

list 3 synthetic and 3 natural fabrics

synthetic -

  • Rayon.
  • Nylon.
  • Polyester.
  • Acrylic.

Natural

  • cotton
  • Wool
  • Silk
  • linen


500

Name 3 different properties of  steel

Strength , hardness Conductivity etc..

500

Are these materials an alloy?

- aluminum , - bronze,  - Copper


- no, - yes, -No

500

 explain what plywood looks like?

layers of wood glued on top of eachother

500

is polypropylene a thermoplastic or thermosetting plastic

it is  a  thermoplastics

500

what is kelvar?

Kevlar is a fiber with incredible strength! it is a fabric commonly used in

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