Heat & Sound

What heat transfer occur when you are walking on the warm sand with your bare feet.

• conduction

• convection

• combustion

• radiation

Heat transfers from an area of ________temperature to an area of ______ temperature.

• low to high

• high to low

• high to high

• low to low

Which is NOT a heat conductor?

• plastic spoon

• iron nail

• copper wire

• steel ruler

Which of the following requires fluid to transfer heat?

• conduction

• convection

• combustion

• radiation

A huge rock at the state park gets hot during the day. The rock was warmed by what heat transfer?

• conduction

• convection

• combustion

• radiation

You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?

• The heat energy from your hand transferred to your friend's hand through conduction. 

• The cold energy from your hand transferred to your friend's hand through convection.

• The heat energy from your friend's hand transferred to your hand through conduction. 

• The cold energy from your hand transferred to your friend's hand through convection.

Which of the following materials is an insulator?

• frying pan

• aluminum can

• flat iron

• wooden ladle

Why does warm air rise and the cool air sinks?

• because of conduction

• because of convection

• because of radiation

• because of connection

The energy that travels in waves and can be heard when it reaches your ear is called ____________.

• light

• pitch

• sound

• heat

The more vibrations the object produced the louder the sound it could have.

• True

• False