Transcript Document

Equipment

© ORCA Education Limited 2005

New Words

The Modern Kitchen

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The Kitchen has been transformed by the use of technology.

Labour-saving and money.

equipment saves time Some examples of modern equipment are: food processors, blenders & whisks graters, mixers & slicers bread-makers & coffee makers slow cookers, steamers & woks juice extractors & deep fat fryers health grills & pressure cookers toasters & microwave ovens. What would have been the problems when preparing food in the past? *

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Speeding up Preparation

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People have less time to prepare food.

Electric food processors, mixers and blenders carry out a wide range of jobs in the preparation of food.

They use electrical rather than human energy, so are quicker and often with better results.

Whether they are a good choice depends on their initial cost, how much they are used, storage space needed and ease of cleaning.

Why do we have less time to prepare food? *

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Food Mixers

Electric mixers can be hand-held or attached to a stand fitted to a bowl that can rotate. Many have a blender attachment.

They are used for whisking e.g. thickening cream and making meringue from egg white, creaming ingredients together in cake making and for making dough for bread.

The mixer can be moved easily to any part of the kitchen although space needs to be found for storage for a stand and bowl. They are extremely quick at whisking and mixing. How long does a food mixer take to whisk cream? *

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Blenders

Another name for a blender is a liquidizer. It is used for soup making, pur éeing fruit, chopping nuts, preparing baby food, mixing batters, fruit drinks and smoothies caster sugar from granulated.

and making It is a glass or plastic goblet with extremely sharp blades at the bottom which rotate rapidly.

Some features are:

A blender should be able to make small quantities of food as well as large.

Hot food can be blended as well as cold and dry ingredients.

Liquids rise up rapidly and so they must not be overfilled especially when blending hot food.

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Food Processors

Food processors are efficient and produce good results.

They are expensive and you would have to consider how much it would be used, the amount of cleaning involved and storage. Some have attachments to grind coffee beans, a juicer or citrus press, a blender and whisk.

Their uses include: making breadcrumbs finely chopping vegetables, fruit, meat, cheese and boiled eggs chopping fat into flour grating vegetables and cheese shredding and peeling vegetables chipping potatoes What should you look for if you buy a food processor? *

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Cooking Equipment

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Most people cook by conventional methods using an oven, hob and grill.

People also cook using a variety of equipment that save labour, energy and time. Some examples are microwave ovens, slow cookers, steamers, pressure cookers, deep fat fryers, electric frying pans and frying pans for dry frying and stir frying.

What other labour saving equipment do you use? *

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Why use Microwave Ovens

Most modern homes have a microwave oven in their home.

They cook food quickly, use less electricity and are economical.

Small portions can be cooked easily and there is less waste.

Food can be eaten from the cooking dish avoiding washing up.

They are ideal for cooking for one or two people only. Microwave meals are available to avoid preparation time.

They are convenient as they can be plugged in anywhere and are safe.

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What are Microwaves?

Microwaves are electromagnetic waves similar to X-rays, light rays and heat rays.

They cook food by the process of radiation. Microwaves move at the speed of light, have a very high frequency and vibrate millions of times a second.

Microwaves reflect or the molecules are agitated which cooks the food. vibrate and cause friction.

and are absorbed by food.

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Microwave Ovens Facts

A microwave oven is simply a metal box with a magnetron valve that generates the microwaves.

The oven does not heat up.

The power output, e.g. 500W, affects the time it takes to cook the food.

They have a heating category from A to E for the time needed to cook a small portion of food.

How should you set the microwave? * Heat is generated within the food.

The door has a safety seal to prevent leakage of microwaves.

The door has an automatic cut-out if opened while operating.

A needs the longest heating time.

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Microwave Ovens

Good

and

Bad Food can be cooked more quickly than in a conventional gas or electric oven.

Food like this chicken may not have a good texture, flavour or colour and may be unappetising.

Frozen food can be defrosted first in a microwave oven.

Combination microwave ovens have a grill and convection oven.

Temperatures must be 72 ºc for 2 min. to kill micro organisms.

Food is not cooked evenly and may have cold spots.

They are convenient where a traditional oven is not available, too big or unsafe.

Cold spots can be avoided by a rotating turntable, repositioning the food, stirring and using standing time.

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Pressure Cookers

Food is cooked more quickly in a pressure cooker than by boiling food in a saucepan which saves energy.

Pressure inside the cooker raises the temperature of boiling water to 107 ºc -120ºc.

The pressure valve allows different pressures to be built up.

Trapped steam causes pressure to increase which cooks food rapidly.

A control valve releases steam to prevent too much pressure. A pressure cooker is made of aluminium and is thicker than an ordinary saucepan.

The safety valve is a back up to the control valve.

What are pressure cookers particularly useful at cooking. *

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Other Cooking Equipment

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Other labour saving and economical equipment include: electric kettles that automatically switch off when ready automatic coffee makers that and make the desired amount slow cookers that cook food over a long time but with low fuel costs as heat is contained inside deep fat fryers that make evenly cooked food and are safe toasters that make toast quickly and avoids burnt toast health grills and sandwich toasters that cook food without using a conventional grill with good results. *

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Vocabulary

Some words or terms to learn

pur éeing

smoothies

labour saving

electromagnetic radiation

labour saving

health grills

blender

conventional oven

appliances

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The Task

You can enter here a task for your students.

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End End Show Acknowledgements All images used in these presentations are the property of their owners, ORCA Education Limited and suppliers inc. Hemera Images, Jupiter Media Corp. and Animation Factory All rights are reserved. The Licence agreement applies to all elements of these presentations. ORCA.

V T is a trademark of ORCA Education Limited Microsoft Agent is the property of Microsoft Corporation, Redmond WA. ORCA Education Limited are licensed distributors of Microsoft Agent technology Licence 276899. The Microsoft Agent Technology elements including Peedy character may not be distributed beyond the constraints of this product licence Microsoft Agent characters Susan and Tom are packaged with this product as part of the Vox Proxy development tools used by ORCA Education. They are not for resale or distribution beyond their use in these products

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