Page 9

Focus

1-25-2010

NTROLLING STATIC

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When bored read one of the four books shown to pass time away while stuck inside. If Yoga class is too expensive, buy a book instead. Yoga is a way to relieve stress and to relax the body.

“Breathing through a scarf will warm the air before it reaches a person’s lungs to keep them warmer.” (http://www.troop68bsa.org/)

Taking warm baths or soaking feet in warm water can heat the body quickly.

PHYSICS AND WINTER

The body loses heat through radiation and conduction. It is important to wear a hat, scarf and ear protection because 50% of body heat escapes from the head through radiation. Avoiding contact with cold objects by wearing mittens and drinking warm fluids will prevent loss of body heat through conduction. (http://www.troop68bsa.org/)

Inexpensive heat

Lauren Kelley

To many, winter means sledding, hot cocoa or luxurious snow days. To others, however, winter brings thoughts of negative temperatures, car trouble, and large heating bills. Despite the enjoyable activities and memories, the winter months also bring the constant struggle to stay warm and comfortable. Washington High School’s physics teacher, Ian Kleman, shares a few of his own tips. Surviving an Iowa winter can be frustrating and many times, expensive. Kleman uses devices such as heated floors and a cast iron radiator to keep his house heated in a more efficient way. The floor heating system involves water-heated tubing positioned underneath the floor of the house. The system works through conduction, by which heat is transferred from the floors to objects touching them, and radiation, which involves infrared waves that are absorbed by other objects in the room. “With radiation, infrared waves are absorbed by everything in the room, such as the chairs or couches. It provides a high degree of comfort,” said Kleman. Once the water in the tubing is heated, it takes very little energy to stay warm. Kleman compares this method of saving energy to boiling water or even pushing a swing. Although it takes a little while to get the water boiling or the swing moving, it is very easy to keep the water warm or the swing going once they’ve been “warmed up.” “This saves a lot of money in the winter, which would otherwise be spent on other forms of energy,” said Kleman. The floor heating systems can keep the house warm until the temperatures fall below 33˚ or 34˚. For colder temperatures, Kleman relies on cast iron radiators. Although they are much older than the heating systems used in many houses today, Kleman suggests they do a more thorough job of heating the house. The radiators are positioned in the coldest areas of the house, usually under the windows. The radiators warm the air and are able to evenly heat a room. Of course, not everyone can install a floor heating system or set a radiator under every window immediately. In the meantime, there are some other ways to maintain warmth in a home. For example, make sure all cracks around doors and windows are sealed can prevent cold air from entering the house. Try turning the thermostat down a little at night or while away from the house for a longer period of time. This can help reduce heating costs. Using the sunlight can also be a helpful tool. Keep the shades open during the day to absorb the warmth of the sun, but keep them closed at night to conserve heat. Whether using larger appliances or these easy tips, a little effort can save a lot of money.

9

Profile for Cedar Rapids Washington Surveyor

January 2010  

Washington High School's Student-run newspaper

January 2010  

Washington High School's Student-run newspaper

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