Unit3 Heat

heat and temperature

• Temperature

• Thermometer

• Thermal equilibrium

• Unit of temperature & Temperature Scales

o °C (Degree Celsius)

o °F (Degree Fahrenheit)

o K (Kelvin) (0 K = -273°C)

o Temperature conversion formulas

• The effect of heat on the change of substances

effect of heat

• The effect of heat on expansion or contraction of substances

L3 - Effects of Heat (2h)

heat flow

condcution

need solid matter

convection

need fluid(liquidand gas)matter

radiation

no need matter (vacuum)

absorption and radiation of heat

• Factors affecting the absorption and exothermic of objects

• Applications of absorption and exothermic