Essays Tagged: "insulator"

Insulation

cotton T-shirt material, wool fabric,thermal underwear, polyester fabric, and a Ziplock bag with no insulator. Fromresearch the experimenter learned that wool is a fine soft wavy hair that forms allor ... ey aren'tsure which material will keep them warmest. The experiment was chosen to seewhich clothing insulator retains the most heat. 'Insulation is material thatprotects against heat, cold, electricit ...

(4 pages) 52 0 4.6 Nov/1996

Subjects: Science Essays > Chemistry

Semiconductors.

this experiment is to investigate how resistance varies with temperature for a metallic conductor, insulators, and semiconductor diodes. What exactly are these things? A semiconductor is a material h ... e these things? A semiconductor is a material having resistivity between that of a conductor and an insulator. It usually has a negative temperature coefficient of resistance. The diode is any electro ...

(6 pages) 57 0 4.6 Nov/2003

Subjects: Science Essays > Physics

Air Pollution.

armful radiation from the sun. While at the same time, our polluted atmosphere is becoming a better insulator preventing heat from escaping back into space and leading to a rise in global average temp ...

(8 pages) 219 1 5.0 Nov/2003

Subjects: Science Essays > Atmospheric Sciences

This is a term paper on AIR pollution. It has some causes and effects, etc. It mainly has to do with how and why the pollution is occurring.

more of the sun's dangerous radiation. Moreover, our atmosphere is becoming an increasingly better insulator, as it prevents heat from escaping into space. This is leading to a rise in average global ...

(3 pages) 93 0 4.5 Jan/2004

Subjects: Science Essays > Environmental Science

Electro-Static Revision Notes

ueous solutions and in a molten state.*Material allowing flow of charge is a conductor otherwise an insulator.*Instrument used to show the existence of a charged object is called a gold leaf electrosc ...

(3 pages) 75 5 4.3 Feb/2004

Subjects: Science Essays > Physics

Insulation

Keeping things warmAim: To find out which of these four materials is a better insulator to water under the same conditions for 5mins the materials are Bubble wrap, Aluminium foil ... Cotton wool and Tissue paper.Prediction: I predict that Bubble wrap or cotton wool will be the best insulators due to the fact that they are thicker materials. Bubble wrap also has thick holes, which ... rap the heat, but cotton wool is the thickest material so I think that cotton wool will be the best insulator.Plan: For this experiment I will need to get all my required equipment. I will have too ha ...

(3 pages) 17 0 0.0 Feb/2005

Subjects: Science Essays > Chemistry

Diamond and Graphite.

t carbon. It is opaque and metallic and to earthy looking.PHYSICAL PROPERTIES Diamond is an insulator. No mineral can scratch a diamond but a diamond can scratch all other minerals. It has a h ... ty is if a material can conduct electricity or not. Like diamond can't conduct electricity; it's an insulator but graphite is a conductor as it can conduct electricity.3. Why are high temperature not ...

(4 pages) 21 1 1.0 Oct/2005

Subjects: Science Essays > Chemistry

Insulation Experiment

Why will insulators affect how long a test tube of hot water stays hot?Background InformationI know that ther ... glass which both are really poor conductors. Bubble wrap, foaming and cotton wool can be used as an insulator because it will trap heat in air pockets and air is a poor conductor of heat, hence it wil ... cause it will trap heat in air pockets and air is a poor conductor of heat, hence it will be a good insulator. I shall not use any black objects for insulation because black will radiate the heat grea ...

(8 pages) 21 0 5.0 Mar/2006

Subjects: Science Essays > Physics

How electrostatics influence our lives

trical devices. We also know that conductors are those objects which conduct electricity easily and insulators do not conduct electricity at all. This is basic knowledge but right now we are going int ... lectricity and static electricity.ElectrostaticsMany of us have this wrong concept in our mind that insulators like plastic and wood cannot carry charges at all. This is a wrong concept. The truth is ...

(5 pages) 32 1 4.0 Nov/2007

Subjects: Science Essays > Physics

The Cooking Room in The Fudge Facotry

l flow because fudge is not a conductor. A conductor allows electricity to flow through it while an insulator (fudge) does not. Common conductors include steel, copper, water, and many other metals. I ...

(4 pages) 404 0 0.0 Sep/2009

Subjects: Science Essays

Science Report

The most effective insulationIntroduction:Insulators and conductors are usually something that can commonly be found in houses. This informati ... ng that can commonly be found in houses. This information can help Fred determine which is the best insulator. Insulators are materials or an object that does not allow heat, electricity, light, or so ... llow heat, electricity, light, or sound to easily pass through. Feathers and wool make good thermal insulators and air, cloth and rubber make good electrical insulators (science.yourdictionary.com, 20 ...

(4 pages) 4 0 0.0 Feb/2014

Subjects: Science Essays