What part of this process is being demonstrated in this diagram?
Understand the Problem
The question is asking for an explanation of a scientific process illustrated in the diagram, particularly focusing on how heat affects gas expansion and contraction, and it is related to convection currents.
Answer
Heat causes gases to expand.
The diagram demonstrates how heat causes gases to expand.
Answer for screen readers
The diagram demonstrates how heat causes gases to expand.
More Information
In the diagram, hot water causes the air inside the bottle to expand, inflating the balloon. Cooling in ice reverses this by causing the air to contract.
Tips
A common mistake is confusing expansion and contraction. Remember, heat typically causes gases to expand, while cooling causes them to contract.
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