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Film summary
Discover how different materials react to heat and why this can be both useful and dangerous.Key facts
- Temperature affects the size and shape of an object due to the expansion and contraction of molecules.
- Gases expand and contract in the same way if under equal pressure.
- Liquids expand at different rates, depending on the nature of bonds within the substance.
- The bonds within solids affect the response to heat.
Transcript
The creaking and groaning in supposedly "haunted" houses can often be explained by a far less spooky cause heat.
The temperature of an object can affect its size and shape.
When heat is applied to a substance, its molecules gain energy, move faster, and occupy more space. This in turn causes …
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