Physics A-Level
Ordering
What Ordering means in Physics A-Level, as defined for OCR.
Definition of Ordering
Check what you remember
Read the wording for your board, then hide it and explain Ordering in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
How regularly the atoms or molecules are arranged, being a regular lattice in solids, random in liquids and negligible in gases.
Topics that use Ordering
- Solid, liquid and gas (OCR A-Level)
Related terms
- Absolute zero
- Brownian motion
- Change of phase
- Constant temperature during phase change
- Energy transfer in melting and boiling
- Experimental observation through a microscope
- Explaining shape, volume and pressure with the model
- Internal energy
Using Ordering in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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