UNIT 4_ Materialspart 1

Technologies 1 ESONOTE: Use a KWL chart and a sheet of paper for the cooperative

activities

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1. THE CYCLE OF MATERIALS

EXTRACTIONof the RAW MATERIAL

TRANSFORMATIONinto a PROCESSED

MATERIAL

MANUFACTURATIONof the

MANUFACTURED GOOD

RECYCLING / REUSING

to have new MATERIALS OR

PRODUCTS

RAW MATERIALSubstance that is extracted directly

from natural objects.

PROCESSED MATERIALRaw material that is transformed

and ready to use for manufacturing an object.

MANUFACTURED GOODIt is any object created by humans

to satisfy a need and make their lives easier.

It’s created inFACTORIES.

REVIEW ACTIVITY:PLACEMAT CONSENSUS1- INDIVIDUAL TASK TIME: 3 minCopy this chart and place each element in the corresponding

column:

Iron ore – Jumper – Table - Wood board – Copper tube – Plate – Plastic - Sand – Paper roll– Sheep’s hair– Petrol – Cotton flower - Pen – Tree trunk

2- COOPERATIVE TASK TIME: 3 minDiscuss with your partners and agree to one correct solution.

Write your consensus on the other side of the paper.

RAW MATERIAL PROCESSED MATERIAL

MANUFACTURED GOOD

2. THE ORIGINS OF MATERIALSORGANIC ORIGIN• Materials that come from plants or animals.• Ex: Wood, linen, cotton, wool, cork, leather, bees wax…

SYNTHETIC ORIGIN• Materials that come from oil.• Ex: Gasoil, petrol, asphalt, paraffin, plastic, PVC, polyester, lycra,,,

MINERAL ORIGIN• Materials that come from rocks.• Ex: Marble, glass, granite, slate, clay, porcelain, chalk, talc, cement, gravel…

METALLIC ORIGIN• Materials that come from metallic minerals.• Ex: Copper, aluminium, steel, iron, bronze, gold, silver, titanium…

REVIEW ACTIVITY:PLACEMAT CONSENSUS1- INDIVIDUAL TASK TIME: 3 minCopy this chart and place each element in the corresponding

column:

Bronze – Nylon – Leather – Porcelain – Aluminium – Paper – Glass – Marble – Silicone – Wool – Steel – PVC – Wood – Clay – Cotton – Polyester – Bees wax – Petrol (gasoline)

2- COOPERATIVE TASK TIME: 3 minDiscuss with your partners and agree to one correct solution.

Write your consensus on the other side of the paper.

ORGANIC ORIGIN

SYNTHETIC ORIGIN

MINERAL ORIGIN

METALLIC ORIGIN

3. RENEWABLE vs. NON-RENEWABLE

Materials that come from a resource that is regenerated fastly.

As we waste the resource, we (or nature) can produce more.

Materials that come from a resource that isn’t regenerated fastly.

We waste more resources than we (or nature) can replace.

REVIEW ACTIVITY:THE LIST1- INDIVIDUAL TASK TIME: 3 minCopy this chart and write as many materials as you can think of

in each of the columns:

When the time’s up, draw a line under your last materials.

2- COOPERATIVE TASK TIME: 2 minHave a look at your partners’ lists and check if they wrote

anything you didn’t. Add their ideas under your line.

RENEWABLE ORIGIN NON-RENEWABLE ORIGIN

4. VOCAB REVIEWAluminium

Asphalt

Bees wax Bronze

Cement

Chalk

Aluminium

Copper

Cork

Cotton flower

FactoryGasoil

GoldGranite

Gravel

Iron ore

Iron

Leather

Linen

Lycra MarbleTo manufacture

ParaffinPlastic

Petrol

PVC

SIlver SlateTo manufacture

Polyester

Porcelain

Steel

Wool

Talc

Parts of the tree

Titanium

Wood board

WHAT IF……GLASSES

WERE MADE OF BLACK OR

WHITE PLASTIC?

5. PROPERTIES OF MATERIALS: INTRODUCTION

WHAT IF…

…UMBRELLAS WERE MADE

OF LACE FABRIC?

WHAT IF…

…IT RAINED ON THESE NICE PAPER SHOES?

WHAT IF…

…KEYS WERE MADE OF GLASS?

ACTIVATION ACTIVITY1- INDIVIDUAL TASK HOMEWORKAnswer to the 4 questions we just saw in the presentation:

What if…?

For example: What if cables were made of paper?If cables were made of paper, paper would burn with the electricity and the cables would not work.

What if chairs were made of ice?If chairs were made of ice, they would be very cold and nobody would sit on them.