Signs of a chemical reaction, reactants and products, physical versus chemical changes, and the types of reactions. There are 4 sheets here: vocabulary match, fill in the blanks, true or false and physical or chemical change?. Pick one from the tray, print it, and add its answer key as a second page if you want one.
Worksheets
NameDate
Chemical reactions vocabulary
Write the letter of the matching meaning next to each word.
WordMeaning
product
chemical change
reactant
physical change
catalyst
combustion
synthesis
decomposition
Aa substance at the start of a reaction
Bchanges form but not substance
Ca substance made by a reaction
Dspeeds up a reaction without being used up
EAB → A + B
Fburning with oxygen
GA + B → AB
Hmakes a new substance
Using these sheets
The answer key matches the sheet on screen, including after you make new problems.
Sheets print on US Letter paper. On A4, choose “Fit to printable area” in the print dialog.
Questions
What grade are these chemical reactions worksheets for?
They suit grades 6 to 10. Each sheet in the tray practices it a different way, so you can pick the one that fits.
Is there an answer key?
Yes. Tick “add the answer key as page 2” before printing, or turn on Answer key to check work on screen.
Do I need an account to print?
No. The sheets print straight from this page, free, with no sign-up.