physical and chemical changes crossword puzzle game
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Created By: 
meriz
meriz
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How to play Crossword Puzzle?
- Click on an across or down clue.
- Type in the answer on puzzle.
- Background turns green on correct answer.
- Continue until the puzzle is solved.
- Clicking "hint" reveals a letter without awarding points.
- Clicking "word" reveals entire word without awarding points.
- Fill more answers in less time for higher score.
physical and chemical changes crossword puzzle game Description
fill the gaps
physical and chemical changes crossword puzzle game Hints
- reacting with oxygen and form redish brown coating
- a process in which a substance reacts with oxygen to give heat and light
- changes something from a solid to a liquid;
- the act of breaking apart a material by force, without the aid of a cutting tool
- a type of phase transition, is the rapid vaporization of a liquid
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