1. Technology in theTechnology in the
HomeHome
Technology isTechnology is
sciencescience
applied in aapplied in a
practical way.practical way.
© PDST Home Economics

2. Technology & Food:Technology & Food:
 Faster – microwave ovenFaster – microwave oven
 Labour saving – food processorLabour saving – food processor
 Automatic timing - ovensAutomatic timing - ovens
 Food kept fresher - fridgeFood kept fresher - fridge
freezerfreezer
 Safer – cordless appliances.Safer – cordless appliances.

3. 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.

4. Technology and Cleaning and WashingTechnology and Cleaning and Washing
 Labour saving – better cleaning agents andLabour saving – better cleaning agents and
equipment.equipment.
 Time saving – automatic washing machines andTime saving – automatic washing machines and
dishwashersdishwashers

5. Technology and Textiles/FabricsTechnology and Textiles/Fabrics
 Fabric can be treated to make them easier toFabric can be treated to make them easier to
clean, iron.clean, iron.
 Fabric are being invented with the differentFabric are being invented with the different
properties needed for household jobs,properties needed for household jobs,
waterproof, crease resistant, stronger, firewaterproof, crease resistant, stronger, fire
resistant etc.resistant etc.

6. Technology and PastimesTechnology and Pastimes
 TV, DVD, Wii, computer games, Hi Fi, MP3TV, DVD, Wii, computer games, Hi Fi, MP3
players and mobile phones.players and mobile phones.

7. 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 fromWorking and studying from
homehome
 Shopping onlineShopping online
 Banking onlineBanking online
 Communicating – email andCommunicating – email and
skype.skype.

8. CookersCookers
Fuelled byFuelled by
 Solid fuelSolid fuel
 OilOil
 GasGas
 ElectricityElectricity
 CombinationCombination

9. Gas & Electric Cookers - ConstructionGas & Electric Cookers - Construction
 Enamel – covered steel or stainless steelEnamel – covered steel or stainless steel
 Consists of hob, grill, single or doubleConsists of hob, grill, single or double
oven.oven.
 Thermostat keeps temperatureThermostat keeps temperature
constantconstant

10. HobsHobs
 4 plates, rings, burners, ceramic.4 plates, rings, burners, ceramic.
 A removable spill tray may be under theA removable spill tray may be under the
hob.hob.

11. Grills & OvensGrills & Ovens
 Eye levelEye level
 In grill compartmentIn grill compartment
 In top ovenIn top oven
 In main ovenIn main oven

12. OVENSOVENS
 Heated by electric elements or gasHeated 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 selfThe 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 checkedA glass door allows food to be checked
without letting heat out.without letting heat out.

13. 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 ignitionPush button ignition
on gas ovenon gas oven

14. Cooker featuresCooker features

15. 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 cleanWipe out oven after each use and clean
regularlyregularly
 Do not drag saucepans over the hob, itDo 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.

16. 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 warmRemove 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 andWash, rinse and dry outside of cooker and
replace all partsreplace all parts
 Polish chrome and outside with a multipurposePolish chrome and outside with a multipurpose
silicone polish e.g. Mr Sheensilicone polish e.g. Mr Sheen

17. CC
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18. 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 worktopNot at end of line of cooker worktop
both sides ideal.both sides ideal.
 Do not place beside fridgeDo not place beside fridge

19. The RefrigeratorThe Refrigerator
 Metal cooling cabinet with well insulateMetal cooling cabinet with well insulate
walls.walls.
 The cool temp (1 - 4The cool temp (1 - 4ººC) slows down theC) slows down the
growth of bacteria and therefore thegrowth 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

21. Advantages of aAdvantages 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

22. 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.

23. 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 + breadWash 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.

24. Star ratingStar rating
 The ice box on a standard fridge has a starThe ice box on a standard fridge has a star
rating.rating.
**
One starOne star
-6-6 ºCºC Stores frozen food for 1Stores frozen food for 1
weekweek
****
Two starsTwo stars
-12-12 ºCºC Stores frozen food for 1Stores frozen food for 1
monthmonth
******
Three starsThree stars
-18-18 ºCºC Stores frozen foods for 3Stores frozen foods for 3
monthsmonths
********
Four starsFour stars
-18-18 ºCºC
-25-25 ºCºC
Stores frozen food 1 yearStores frozen food 1 year
Freezes fresh foodFreezes fresh food