Heat and Temp

Temperature is a measure of the average_______________energy of an object's particles.

• mechanical

• potential

• kinetic

• light

What two temperature scales have the same increments?

• Celsius and Fahrenheit

• Celsius and Kelvin

• Fahrenheit and Kelvin

• Celsius and Absolute

The temperature at which all molecular motion stops is

• 0^oC

• 0^oF

• 0K

• all of the above

When one feels a warm oven, the sensation of warmth is the result of

• energy transfer

• potential energy

• contraction of molecules

• molecular transfer

The energy transferred between objects with different temperature is

• absolute zero

• potential

• heat

• cold

Which of the following temperatures is impossible to measure?

• -85^oF

• -50^oC

• 545^oF

• -20 K

_______________ describes how much energy is required to raise an object's temperature.

• conduction

• radiation

• specific heat

• convection

Calculate the energy transferred when raising the temperature of 16 kg of water by 3^oC (c=4,186 J/kg.K).

• 785 J

• 2200 J

• 1.25 x 10⁵ J

• 2.0 x 10⁵ J

___________ does not involve the movement of matter.

• conduction

• heat

• radiation

• convection

calculate the specific heat for a 20 g piece of metal is 30 J of energy required to raise its temperature by 12.5K.

• 0.12 J/kg.K

• 7.5 J/kg.K

• 120 J/kg.K

• 48 J/kg.K