(Answers may be used once, more than once or not at all)

___ flows from ____ to ____ areas. ____ is a measure of this flow. The transfer of thermal energy can occur in three ways: convection, conduction, and radiation.

You want to roast marshmallows, so you decide to use a wooden stick because a metal rod is too good at ____ and would get too ____. Using the campfire to roast your marshmallows, you notice smoke coming up through a _____ current, which transfers the heat from the flames. The toasting of your marshmallows, the gaining of ____, is occurring without touching the flames due to ____.

A)warmer
B)hot
C)thermal energy
D)convection
E)colder
F)conduction
G)thermal energy
H)heat
I)cold
J)radiation

Thermal energy flows from hotter to colder areas. Heat is a measure of this flow. The transfer of thermal energy can occur in three ways: convection, conduction, and radiation.

You want to roast marshmallows, so you decide to use a wooden stick because a metal rod is too good at conduction and would get too hot. Using the campfire to roast your marshmallows, you notice smoke coming up through a convection current, which transfers the heat from the flames. The toasting of your marshmallows, the gaining of thermal energy, is occurring without touching the flames due to radiation.

F) conduction
I) cold
D) convection
G) thermal energy
H) heat
J) radiation