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2 cards from this section. Quick, good the night before a test.
Define thermal expansion in your own words.
Think about how objects change with temperature.
What are the three types of thermal expansion?
Recall the different expansions discussed.
What is the coefficient of linear expansion?
Focus on the relationship with length and temperature.
True or False: All substances contract when cooled.
Consider the unique properties of water.
A metal rod measures 2 m at 20°C. Calculate its new length at 80°C, given the coefficient of linear expansion is 1.2 × 10^-5 K^-1.
Use the linear expansion formula.
Discuss the impact of thermal expansion on bridges and how engineers accommodate this effect in design.
Think about how materials interact with temperature changes.
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