Thermal energy

Energy can transfer in

• Closed system

• Open system

• Open and closed systems

• None of the above

Which one is an example of closed system

• Microwave

• Fire

• Stool

A system that does not exchange matter or energy with the environment

• closed system

• Open system

A system that exchange energy with the environment

• Open system

• Closed system

Energy flows between two components

• Source object and no object

• Receiver object and no object

• Source object and receiver object

The amount of energy transferred from higher temperature to lower temperature

Touching a hot chocolate mug with your hands is an example of

• Conduction

• Convection

• Radiation

When the temperature of materials that are in contact are the same, this is called:

When your body is getting energy from sun, this type of transfers energy is

• Radiation

• Conduction

• Convection

Convection happens and occurs in

• Solid, liquid and gas

• Liquid

• Solid

• Gas and liquid