# data[].attributes.headline
In heaters, the cool air from the floor is taken and heated, being expelled up as warm air.

# data[].attributes.subject
In heaters, the cool air from the floor is taken and heated, being expelled up as warm air.

# data[].attributes.headline
A firefighter ducks entering a fire because the hot air and gases are up because they are less dense. 

# data[].attributes.subject
A firefighter ducks entering a fire because the hot air and gases are up because they are less dense. 

# data[].attributes.body
In a Bonfire, the fire rises because it's less dense.

# data[].attributes.body
The air conditioner and a Hot Air Balloon are able to work by convection.

# data[].attributes.attachment_link.title
Physics - Energy - Heat Transfer - Convection