Thermal energy transfers and Specific Heat capacity IBDP Physics

How does conduction differ from convection and radiation?

• It involves the movement of particles in a fluid
• It requires a medium to transfer heat
• It involves the transfer of electromagnetic waves
• It only occurs in solids

How can we determine the specific heat capacity of a substance?

• By measuring its density
• By conducting a calorimeter experiment
• By measuring its temperature change
• By measuring its volume

What are the three main mechanisms of thermal energy transfer?

• Melting, freezing, and boiling
• Conduction, convection, and radiation
• Absorption, reflection, and emission
• Evaporation, condensation, and sublimation

What is the relationship between specific heat capacity and thermal energy?

• They are directly proportional
• They are inversely proportional
• They are equal
• They are not related

How is specific heat capacity calculated?

• Q = mΔT/c
• Q = m/cΔT
• Q = mcΔT
• Q = c/mΔT

What is an example of conduction?

• A metal spoon in a hot cup of tea
• A pot of boiling water
• Standing near a bonfire
• A radiator heating a room

What is the significance of specific heat capacity?

• It determines the color of a substance
• It affects the melting point of a substance
• It regulates Earth's temperature
• It determines the density of a substance

What is convection?

• The transfer of thermal energy through the movement of particles in a fluid
• The transfer of thermal energy through the movement of particles in a solid
• The transfer of thermal energy through electromagnetic waves
• The transfer of thermal energy through direct contact between particles

What is an example of radiation?

• A pot of boiling water
• Standing near a bonfire
• The Sun warming the Earth
• A metal spoon in a hot cup of tea

How does specific heat capacity play a role in regulating Earth's temperature?

• By creating convection currents in the atmosphere
• By emitting thermal energy into space
• By absorbing and releasing thermal energy from the Sun
• By reflecting thermal energy from the Sun