Heat Transfer Methods

Hot coffee stirred with a spoon, the spoon gets hot due to ____.

• conduction

• convection

• radiation

A chair is placed several feet from a fireplace. The side of the chair gets warm due to ____.

• radiation

• conduction

• convection

The bedrooms that are located upstairs get unbearably hot during the summer. Warm air rises due to ____.

• convection

• conduction

• radiation

A marshmallow is placed on a stick and held near a fire. The marshmallow starts to melt due to ____.

• conduction

• convection

• radiation

Tags

NGSS.MS-PS1-4

Heat lamps warming food are an example of (a)  

• Conduction

• Convection

• Radiation

One of your friends wanted to add chocolate chips to the popcorn. When the chocolate chips touched the hot popcorn, they melted because of (a)   .

• Conduction

• Convection

• Radiation

Answer explanation

When the chocolate chips touched the hot popcorn, they melted due to conduction. Conduction is the transfer of heat between two objects in direct contact, in this case, the hot popcorn and the chocolate chips. The heat from the popcorn is transferred to the chocolate chips, causing them to melt.

Tags

NGSS.MS-PS1-4

A blow dryer demonstrates TE transfer by ​ (a)  

• Convection

• Radiation

• Conduction

Tags

NGSS.MS-PS3-3

Boiling Water demonstrates TE transfer by (a)  

• Conduction

• Convection

• Radiation

A hot curling iron demonstrates TE transfer by (a)  

• Conduction

• Convection

• Radiation

Sun Bathing is an example of (a)  

• Conduction

• Convection

• Radiation