Temperature NCES: 6.P.2. & 3 Kim Lachler Updated 2015.

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Presentation transcript:

Temperature NCES: 6.P.2. & 3 Kim Lachler Updated 2015

Temperature Heat_and_Temperature.mov Measure of average kinetic energy of the particles in a object

Temperature Particles of objects move randomly and at different speeds, thus, temperature is an average The more kinetic energy the particles of an object has, the higher the temperature the object will be.

How a Thermometer Works 1st many thermometers are a thin glass tube filled with liquid mercury alcohol

How a Thermometer Works 2nd Thermal expansion or thermal contraction takes place As temperature increases the liquid expands As temperature decreases the liquid shrinks

How a Thermometer Works 3rd Scales where etched out on the glass tube to read the temperature

How a Thermometer Works Common scales Fahrenheit Celsius Kelvin Water boils 212˚ 100˚ 373 Body temp. 98.6˚ 37˚ 310 Nice Day 68˚ 20˚ 293 Water freezes 32˚ 0˚ 273

How a Thermometer Works Common scales Absolute Zero – temperature at which no more energy can be removed from a substance 0 Kelvin = -273 Celsius

Temperature vs. amount of heat. Which beaker has the higher temperature if both are at room temperature? They are at the same temperature. They are both at room temperature. Which beaker has the most heat? The 500 ml beaker. It has more volume. The amount of heat is determined by both the temperature and the amount of the substance present. It also takes more energy to heat the 500 ml beaker then the 300 ml beaker to the same temperature.

Conductors vs. Insulators Some materials transfer energy better than others

Conductors vs. Insulators transfer energy; heat and electricity quickly Metals Water

Conductors vs. Insulators Insulation.mov Insulators- transfer energy; heat and electricity slowly air fiberglass

Bibliography Fotosearch,Temperature Stock, http://www.fotosearch.com/photos-images/temperature.html, accessed 12/29/2010 Google images