Technology in the Technology in the HomeHome

Technology is Technology is science science

applied in a applied in a practical way.practical way.

© PDST Home Economics

Technology & Food:Technology & Food:

Faster – microwave ovenFaster – microwave oven Labour saving – food processor Labour saving – food 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 WashingTechnology and Cleaning and Washing Labour saving – better cleaning agents and Labour saving – better cleaning agents and

equipment.equipment. Time saving – automatic washing machines and Time saving – automatic washing machines and

dishwashers dishwashers

Technology and Textiles/FabricsTechnology and Textiles/Fabrics Fabric can be treated to make them easier to Fabric can be treated to make them easier to

clean, iron.clean, iron. Fabric are being invented with the different Fabric are being invented with the different

properties needed for household jobs, properties needed for household jobs, waterproof, crease resistant, stronger, fire waterproof, crease resistant, stronger, fire resistant etc.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 and Communicating – email and

skype.skype.

CookersCookers

Fuelled byFuelled by Solid fuelSolid fuel OilOil GasGas ElectricityElectricity CombinationCombination

Gas & Electric Cookers - ConstructionGas & Electric Cookers - Construction

Enamel – covered steel or stainless steelEnamel – covered steel or stainless steel 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 the A removable spill tray may be under the

hob.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 cleaningcleaning or removable for easy cleaning A glass door allows food to be checked A glass door allows food to be checked

without letting heat out.without letting heat out.

Modern FeaturesModern FeaturesEconomy 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 ignition Push button ignition

on gas ovenon gas oven

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 clean Wipe out oven after each use and clean

regularlyregularly Do not drag saucepans over the hob, it Do not drag saucepans over the hob, it

scratches.scratches. Do not use abrasives to clean the hob, Do not use abrasives to clean the hob,

ceramic hobs needs ceramic cleaner.ceramic hobs needs ceramic 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 warm Remove all removable parts and steep in warm

water and detergent.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 multipurpose Polish chrome and outside with a multipurpose

silicone polish e.g. Mr Sheensilicone 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 insulate Metal cooling cabinet with well insulate

walls.walls. The cool temp (1 - 4The cool temp (1 - 4ººC) slows down the C) slows down the

growth of bacteria and therefore the growth of bacteria and therefore the food stays fresh longerfood stays fresh longer

Fridges can be standard (with icebox), Fridges can be standard (with icebox), larder (no icebox) or fridge –freezer, larder (no icebox) or fridge –freezer, with a freezing compartmentwith 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 + bread Wash out inside and ice box with warm water + bread

soda (1 tablesp to 500mls)soda (1 tablesp to 500mls) Replace all parts, replace food, switch fridge back on.Replace all parts, replace food, switch fridge back 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 star The ice box on a standard fridge has a star

rating.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 ºCºC

Stores frozen food 1 year Stores frozen food 1 year Freezes fresh foodFreezes fresh food