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3 cards from this section. Quick, good the night before a test.
What is thermal expansion?
Think about how a balloon expands when heated.
Does water expand when heated? Yes or No?
Remember the behavior of liquids.
What defines thermal expansion?
Focus on how temperature affects physical properties.
True or False: Solids expand in two dimensions.
Think of linear vs. area expansion.
A copper pipe is 4 m long at 20°C. What will be its length at 100°C? The coefficient of linear expansion for copper is 16×10⁻⁶ °C⁻¹.
Remember to calculate the change in length from the original!
Evaluate how the design of rails should accommodate thermal expansion when temperatures vary from winter to summer.
Consider how materials behave differently due to temperature.
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