PHY FUN

What is heat capacity ?

• substance that measures the amount of heat by a given amount

• energy that can be transferred from one object to another

• energy that transfer heat to another physical system

• matter is made up of atoms and molecules

What is SPECIFIC heat capacity ?

• is a physical property of matter

• the quantity of heat needed by the object to raise the temperature by 1°C

• obeys the zeroth law of thermodynamics

• two substances in physical contact with each other exchange no heat energy

The SI units J/g°C measures

• Specific heat

• Mass

• Temperature

• Heat Energy

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

• Conduction

• Radiation

• Heat

• Specific Heat

Which formula we can use to calculate heat capacity ?

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1°C = _____ K

Heat capacity of an object increases when the mass of the object decreases

• TRUE

• FALSE

A : FULL AMOUNT OF HOT WATER

B : 1/3 AMOUNT OF HOT WATER

Which glasses falls to room temperature first ? Reason ?

*tick 2 answer*

• GLASS A

• GLASS B

• the smaller the mass (amount of water), the less heat it can be store

• the bigger the mass (amount of water), the more heat it can be store

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

___________ is measured by the unit Joules

• Heat energy

• Temperature

• Specific heat