Thermal Properties: Thermal Expansion

Question 1 of 1

Drag the boxes onto the matching gaps.
  • separated
  • volume changes
  • change
  • quickly
  • matter
  • one direction
  • uncommon
  • Thermometers
  • liquid
  • coefficient
  • particles
  • volume
  • contract
  • size
  • temperature
  • expansion
  • heated
  • thermal


In physics, thermal 1 is the tendency of 2 to change in 3 in response to a 4 in temperature. When a substance is 5 , its 6 move around more 7 and by doing so are more widely 8 . Materials that

9 with an increase in 10 are very 11 ; this effect is limited in 12 , and only occurs within limited temperature ranges. The degree of expansion divided by the change in temperature is called the material's 13 of thermal expansion and generally varies with temperature.

14  are an example of using 15 expansion. They contain a 16 which can only move in 17 (along the tube) when 18 along with temperature.



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