Chemistry / Conservation of Mass Crossword Puzzle
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QUESTIONS LIST:
- combustion : reaction between substances usually including oxygen
- matter : solid, liquid or gas
- chemical reaction : occurs when 2 or more molecules interact and change
- bubbles : released when gases are produced in a reaction
- products : substances resulting from the reaction
- precipitate : when a solid suddenly appears in a solution
- physical change : form or appearance of a substance becomes different
- reactant : substances undergoing change in a reaction
- chemical change : 2 or more substances join to form new substances
- conservation of mass : mass of products always equals mass of reactants
