Chemical Reactions & Energy Crossword Puzzle

QUESTIONS LIST:

• reactant : a substance at the start of a chemical reaction that changes.
• reagent : a substance used to cause or test a chemical reaction.
• product : a substance made at the end of a chemical reaction.
• chemical reaction : a process where substances change to make new substances.
• consumed : used up during a reaction.
• synthesis reaction : a reaction where elements join to make a compound.
• decomposition reaction : a reaction where a compound breaks into elements.
• compound : a substance made of two or more elements joined together.
• element : a pure substance that cannot be broken into simpler parts.