Question

Why does air in a room rise when it gains thermal energy from a heater? (1 point)

Responses

Its molecules move around more quickly, so there is more space between them, reducing its mass.
Its molecules move around more quickly, so there is more space between them, reducing its mass.

Warm air always rises.
Warm air always rises.

Its molecules move around more slowly, so there is more space between them, making it less dense than the air above it.
Its molecules move around more slowly, so there is more space between them, making it less dense than the air above it.

Its molecules move around more quickly, so there is more space between them, making it less dense than the air above it.
Its molecules move around more quickly, so there is more space between them, making it less dense than the air above it.
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Answer 1

[AI-generated answer — Bot GPT 3.5]

Its molecules move around more quickly, so there is more space between them, making it less dense than the air above it. This lower density causes the warm air to rise, as it is lighter and less dense compared to the cooler air around it.