Skip to content
MathsGenie logo
Sign up

Home

Revision planner

Ask Genie AI

Worksheets

Question Rush

Versus

New

Daily Greens

Ideas + feedback

Physics cover artwork
  1. GCSE
  3. Physics OCR
  5. 1.2 Changes of state

1.2 Changes of state

Spec J249

Revise OCR GCSE Physics 1.2 Changes of state with the question bank, lessons, revision guides, and flashcards.

describe how mass is conserved when substances melt, freeze, evaporate, condense or sublimate; Practical (PAG P5 Energy): use a data logger to record change of state and mass at different temperatures.

Popular

Papers

Past papers, predicted papers and mini tests

Practice

Question bank

Practise exam-style questions for this topic

Daily Greens

A quick worksheet each day that targets your weaknesses

Learn

Lessons

Interactive bite-sized lesson with practice cards

Revision Guides

Study notes with worked examples

Flashcards

Active-recall flashcards to self-test this topic

New

Teach Genie

Review a topic by teaching it to Baby Genie

Tools

Exam builder

Build a custom mock from exam-style questions

Paper marker

Upload a completed paper and get it AI marked

Grade calculator

Enter your marks to see your predicted grade