Technology in the Technology in the HomeHome

Technology is Technology is science science

applied in a applied in a practical practical

way.way.

© PDST Home Economics

Technology & Food:Technology & Food:

Faster – microwave ovenFaster – microwave oven Labour saving – food Labour saving – food

processor processor Automatic timing - ovens Automatic timing - ovens Food kept fresher - fridge Food kept fresher - fridge

freezer freezer Safer – cordless appliances.Safer – cordless appliances.

Technology and Household MaterialsTechnology and Household Materials Easy to clean – ceramic hobEasy to clean – ceramic hob Stain resistant – stainless steel.Stain resistant – stainless steel. Rust resistant – plasticRust resistant – plastic Washable – paint, wall paper.Washable – paint, wall paper.

Technology and Cleaning and Technology and Cleaning and WashingWashing

Labour saving – better cleaning agents and Labour saving – better cleaning agents and equipment.equipment.

Time saving – automatic washing machines Time saving – automatic washing machines and dishwashers and dishwashers

Technology and Technology and Textiles/FabricsTextiles/Fabrics

Fabric can be treated to make them easier Fabric can be treated to make them easier to clean, iron.to clean, iron.

Fabric are being invented with the Fabric are being invented with the different properties needed for household different properties needed for household jobs, waterproof, crease resistant, jobs, waterproof, crease resistant, stronger, fire resistant etc.stronger, fire resistant etc.

Technology and PastimesTechnology and Pastimes TV, DVD, Wii, computer games, Hi Fi, MP3 TV, DVD, Wii, computer games, Hi Fi, MP3

players and mobile phones.players and mobile phones.

Computers in the HomeComputers in the Home

Household budgets - Household budgets - spreadsheetsspreadsheets

Organise files – databasesOrganise files – databases Entertainment – games, Entertainment – games,

download music & videos.download music & videos. Word processingWord processing Security – alarms, lighting.Security – alarms, lighting. Information – internetInformation – internet Working and studying from Working and studying from

homehome Shopping onlineShopping online Banking onlineBanking online Communicating – email Communicating – email

and skype.and skype.

CookersCookers

Fuelled byFuelled by Solid fuelSolid fuel OilOil GasGas ElectricityElectricity CombinationCombination

Gas & Electric Cookers - Gas & Electric Cookers - ConstructionConstruction

Enamel – covered steel or stainless Enamel – covered steel or stainless steelsteel

Consists of hob, grill, single or double Consists of hob, grill, single or double oven.oven.

Thermostat keeps temperature Thermostat keeps temperature constantconstant

HobsHobs 4 plates, rings, burners, ceramic.4 plates, rings, burners, ceramic. A removable spill tray may be under A removable spill tray may be under

the hob.the hob.

Grills & OvensGrills & Ovens

Eye levelEye level In grill compartmentIn grill compartment In top ovenIn top oven In main ovenIn main oven

OVENSOVENS

Heated by electric elements or gas Heated by electric elements or gas burner.burner.

Well insulated walls to keep heat in.Well insulated walls to keep heat in. Thermostat controls temperature.Thermostat controls temperature. The lining of the oven can be self The lining of the oven can be self

cleaning or removable for easy cleaning or removable for easy cleaningcleaning

A glass door allows food to be A glass door allows food to be checked without letting heat out.checked without letting heat out.

Modern FeaturesModern Features

Economy featuresEconomy features Dual grill or ringDual grill or ring Double ovenDouble oven Fan ovenFan oven

Other featuresOther features Automatic timerAutomatic timer Ceramic hobCeramic hob Halogen ringsHalogen rings Self cleaning ovenSelf cleaning oven Split level cookerSplit level cooker Push button Push button

ignition on gas ignition on gas ovenoven

Cooker featuresCooker features

Care of the CookerCare of the Cooker

Wipe spill immediatelyWipe spill immediately Wash grill pan after use.Wash grill pan after use. Wipe out oven after each use and Wipe out oven after each use and

clean regularlyclean regularly Do not drag saucepans over the hob, Do not drag saucepans over the hob,

it scratches.it scratches. Do not use abrasives to clean the Do not use abrasives to clean the

hob, ceramic hobs needs ceramic hob, ceramic hobs needs ceramic cleaner.cleaner.

Cleaning a cookerCleaning a cooker Protect clothes hands and floor.Protect clothes hands and floor. Collect all resources.Collect all resources. Switch off electricity or gasSwitch off electricity or gas Remove all removable parts and steep in Remove all removable parts and steep in

warm water and detergent.warm water and detergent. Spray or rub on oven cleanerSpray or rub on oven cleaner Wash removable part in hot soapy water, Wash removable part in hot soapy water,

rinse and dry.rinse and dry. Wash out oven rinse and dryWash out oven rinse and dry Wash, rinse and dry outside of cooker and Wash, rinse and dry outside of cooker and

replace all partsreplace all parts Polish chrome and outside with a Polish chrome and outside with a

multipurpose silicone polish e.g. Mr Sheenmultipurpose silicone polish e.g. Mr Sheen

CClleeaanniinngg

CCooookkeerrss

Positioning a cookerPositioning a cooker

Near gas or electric connection.Near gas or electric connection. In the work triangle.In the work triangle. Away from draughts (gas)Away from draughts (gas) Not at end of line of cooker worktop Not at end of line of cooker worktop

both sides ideal.both sides ideal. Do not place beside fridgeDo not place beside fridge

The RefrigeratorThe Refrigerator

Metal cooling cabinet with well Metal cooling cabinet with well insulate walls.insulate walls.

The cool temp (1 - 4The cool temp (1 - 4ººC) slows down C) slows down the growth of bacteria and therefore the growth of bacteria and therefore the food stays fresh longerthe food stays fresh longer

Fridges can be standard (with Fridges can be standard (with icebox), larder (no icebox) or fridge –icebox), larder (no icebox) or fridge –freezer, with a freezing compartmentfreezer, with a freezing compartment

Advantages of a Advantages of a FridgeFridge

Perishables stay fresh longer.Perishables stay fresh longer. Protects food from dust & flies.Protects food from dust & flies. Risk of food poisoning reducedRisk of food poisoning reduced Less waste, leftovers.Less waste, leftovers. Shopping trips reducedShopping trips reduced Frozen food can be stored in ice-boxFrozen food can be stored in ice-box Food can be frozen in a Fridge - freezerFood can be frozen in a Fridge - freezer

Care/ UseCare/ Use Position away from heatPosition away from heat Cool food before storing in fridgeCool food before storing in fridge Clean fruit & veg before storingClean fruit & veg before storing Cover all food to prevent drying.Cover all food to prevent drying. Store foods on plates to catch dripsStore foods on plates to catch drips Wrap strong smelling foodWrap strong smelling food Store foods in suitable part of fridgeStore foods in suitable part of fridge Do not over pack shelvesDo not over pack shelves Open door as little as possibleOpen door as little as possible Defrost regularly if not frost freeDefrost regularly if not frost free If unplugged leave door openIf unplugged leave door open Check foods daily.Check foods daily.

DefrostingDefrosting Removal of ice from around ice-boxRemoval of ice from around ice-box Necessary if fridge is to be efficientNecessary if fridge is to be efficient ManualManual UnplugUnplug Wrap frozen food in newspaperWrap frozen food in newspaper Wait till ice melts, empty drip trayWait till ice melts, empty drip tray Bring removable parts to sink wash rinse & dryBring removable parts to sink wash rinse & dry Wash out inside and ice box with warm water + Wash out inside and ice box with warm water +

bread soda (1 tablesp to 500mls)bread soda (1 tablesp to 500mls) Replace all parts, replace food, switch fridge back Replace all parts, replace food, switch fridge back

on.on. Wash rinse and dry outside of fridgeWash rinse and dry outside of fridge Dust condenserDust condenser Polish outside with silicon polish.Polish outside with silicon polish.

Star ratingStar rating The ice box on a standard fridge has a The ice box on a standard fridge has a

star rating.star rating.

* *

One starOne star-6 -6 ºCºC Stores frozen food for 1 Stores frozen food for 1

weekweek

** **

Two starsTwo stars-12 -12 ºCºC Stores frozen food for 1 Stores frozen food for 1

monthmonth

*** ***

Three starsThree stars-18 -18 ºCºC Stores frozen foods for 3 Stores frozen foods for 3

monthsmonths

**** ****

Four starsFour stars-18 -18 ºCºC

-25 -25 ºCºCStores frozen food 1 year Stores frozen food 1 year Freezes fresh foodFreezes fresh food