What happens when a substance undergoes thermal expansion?
Most matter expands when heated and contracts when cooled, a principle called thermal expansion. The average kinetic energy of the particles increases when matter is heated and this increase in motion increases the average distance between its atoms.
Which expands the greatest when heated at the same temperature?
Gases
Does all substance will expand equally with the same change in temperature?
The higher the temperature of a substance, the faster is the motion of its molecules. The quantity that tells how hot or cold something is compared with a standard is temperature. Nearly all matter expands when its temperature increases and contracts when its temperature decreases.
What is an example of expansion?
Table shows some examples of expansion. Railway tracks consist of two parallel metal rails joined together. Small gaps, called expansion gaps, are deliberately left between the rails as there is an expansion of the rails in hot weather. Water expands on heating.
What is an expansion in the economy?
Expansion is the phase of the business cycle where real gross domestic product (GDP) grows for two or more consecutive quarters, moving from a trough to a peak. Expansion is typically accompanied by a rise in employment, consumer confidence, and equity markets and is also referred to as an economic recovery.
How do you write an expansion?
How To Write a Proverb Expansion or Expansion of an idea?
- Step 1: Understand the symbol of the words in the proverb: Most proverbs or ideas are symbolic.
- Step 2: Substitute the meaning in the idea or the proverb: Take the two previous examples.
What is a good sentence for expansion?
1 The company intends a slow-down in expansion. 2 The company was now set for major expansion. 3 Their much-touted expansion plans have come to nothing. 4 Expansion was made possible by the investment of government money.
What is word expansion?
Word expansion means the process of splitting a string into words and substituting for variables, commands, and wildcards just as the shell does. For example, when you write ‘ ls -l foo. c ‘, this string is split into three separate words—’ ls ‘, ‘ -l ‘ and ‘ foo. c ‘. This is the most basic function of word expansion.
What is the expansion of ECC?
Stands for “Error Correction Code.” ECC is used to verify data transmissions by locating and correcting transmission errors.
Is expansion a word?
noun. the act or process of expanding. the state or quality of being expanded. the amount or degree of expanding.