1. Speaking and Writing 3 - Betz - Spring 2012 - Tuesday 4
Graded Assignment # 8
Team 9
Member:
Toshiki Sakuraoka:s1190168
Kazuki Inoue:s1190185
Norihisa Toyosaki:s1190190
Microwave Oven
What is microwave oven?:
Microwave oven is a machine for warming a meal up.
The main purposes of using a microwave oven:
Concrete usage of the microwave oven is rewarming the cold dish or using for cooking. A
microwave oven is in many houses, respectively in developed countries.Although warming
a food is a basis on the function of microwave oven originally, recently, there is also the
microwave oven which has the function of the toaster.
Graphic1: Appearance of a microwave oven
Shape:
The form of microwave oven is like a box.

2. Size:
Microwave oven has size about the same as the carton box in which the mandarin orange is
contained by marketing. But, according to a maker or a product, there is variation in size to
some extent.
Graphic2: The inside of a microwave oven
Parts of a microwave oven:
Display:It shows the time until microwave oven finishes warming.
Some button:The button for choosing time to warm and strength, and for starting to warm
and canceling to warm exists.
Door:It is opened when putting a thing in or taking a thing to warm.
Rotating plate:It is a place for placing what is warmed. In addition, the plate rotate. Thereby,
what is warmed also rotate. And, electromagnetic waves are applied to various places of it, and
it can be warmed on the whole.
How a microwave oven works:
Then, we will show how microwave oven works. First, a microwave oven generates

3. electromagnetic waves. Electromagnetic waves vibrate thewater molecules in an object.
Vibration of water molecules will cause a hot. And, a thing gets warm. Therefore, it is easy to
be warmed as those that contain a large amount of water. Next, the plate of microwave oven
has the rotating function. This is the function for electromagnetic waves to be applied to various
places of what you want to warm up. And, time and strength to warm can be adjusted by a
button. In addition, there is the button for toasters, which are dependent on a product, and bread
will be burned if you put a bread in the microwave oven and the button for toasters is pushed.
In addition, time until warming it up is completed is displayed on a display if you start warming it
up.
Graphic3: The microwave oven under operation
The procedure used of a microwave oven:
1.First of all, you prepare a food or drink you want to warm. Since there is food which must not
be warmed with a microwave oven in part, it is necessary to investigate in advance about the
food which you want to warm.
2.Next, please open the door of a microwave oven, put in food and, finally shut a door.
3.Then, please set the temperature and time by a button. Please pay attention to that there may
be a dedicated button for use with some particular food.
4.Next, please push start button.
5.Finally, please pick out food from the microwave oven if warming it up was completed.