Thermal Energy

How does air travel?

• they don't travel
• hot to cold
• cold to hot
• All of the above

what is radiation?

• direct touch

• air or liquids

• heat waves/ electromagnetic waves

• touching the cookies out of the oven

what is convection

• direct touch
• air or liquids
• heat waves or light waves
• sunbathing outside

what is conduction?

• direct touch
• air or liquids
• heat waves/ light waves
• drinking hot coffee

Thermal energy is transferred from————-

• A cooler object to a hotter one

• A hotter object to a cooler one

Everything has thermal energy

• False

• True

Conduction can only occur between two objects when –

• one object is less dense than the other.
• both objects are in physical contact with each other.
• one of the objects is made of a metal.
• both objects are exactly the same temperature.

Which of the following is an example of conduction?

• Solar energy warming a room.
• Heat rising from the coils of a stove.
• Hot air drying a wet towel.
• Heat moving from a clothes iron to a shirt.

Which of the following are kinds of heat transfer.

• Conduction
• Convection
• Radiation
• All of the above

Radiation is heat transfer by-

• Touch
• Circles
• Waves