HEAT ENERGY II

Which of the following is not used to determine the heat content of a body?

• mass of the body

• Volume of the body

• Specific heat capacity of the body

• temperature of the body

What is the branch of physics called that involves the study and application of the thermal energy of systems?

• adiabatics

  
  

• thermodynamics

• theronucleonics

• isentropics

Which one of the following temperatures is approximately equal to "room temperature?"

• 0 K

• 0 °C

• 295 K

• 212 °F

A rod with an initial length 3.000 cm is heated so that its temperature increases by 89° C. When the length is measured again, the length has increased by 0.006 cm. This behavior is an example of which one of the following material properties?

• specific heat capacity

• thermal stress

• thermal expansion

• thermal diffusion

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

• heat capacity

• conduction

• radiation

• convection

Specific heat of water is 4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?

• water

• wood

• both are same

A high specific heat means...

• It heats up quickly with energy added

• It requires more energy to change temperature

Which of the following best explains why the sand at the beach is hotter than the water?

• Sand has a higher specific heat than water.

• Sand has a lower specific heat than water.

• There is more sand than water at the beach.

• There is more water than sand at the beach

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down

• They would speed up

• There would be no effect

Object A has a specific heat of 4.45 J/g⁰C and object B has a specific heat of 1.82 J/g⁰C. Which object will heat up faster?

• Object A, it has a lower spefici heat

• Object B, it has a lower specific heat

• Object A, it has a higher specific heat

• heatObject B, it has a higher specific heat