Thermal Transformations 6.9A

Heat moves through solids by conduction.

Molecules move faster in warmer substances.

Warm water is denser than cold water.

Heat moves through liquids and gases by convection.

Touching a stove and burning your hand

An old-fashioned radiator

Heat from a fire

Batteries

A heater in a fish tank warming the water at the bottom of the tank

Batteries in a flashlight converting chemical energy into light

Touching a stove and burning your hand

Warming up next to a fire on a cold night

Warm air rising

Heat from an old-fashioned radiator

Batteries

Touching a stove and burning your hand

A vacuum

Empty space

Anything with molecules; matter

The absence of molecules in an area