Across
- 4. Change / Any change that alters the form or appearance of a substance but that does not make the substance into another substance.
- 6. / The study of matter and how matter changes
- 7. System / Matter can enter from or escape to the surroundings
- 9. of Mass / A principle that states that during a chemical reaction, matter is not created nor destroyed
- 11. Property / Characteristic of a substance that can be observed without changing the substance into another substance
- 13. Reaction / A reaction that releases energy in the form of heat
- 14. Reaction / A reaction in which energy is absorbed
- 16. / The substances you have at the beginning
- 17. / A solid that forms from solution during a chemical reaction
- 18. / The process when two or more elements or compounds combine to make a more complex substance
Down
- 1. / Breaks down compounds into simpler products
- 2. / Anything that has mass and takes up space
- 3. / When one element replaces another in a compound or when two elements in different compounds trade places
- 5. System / Matter is not allowed to enter or leave
- 6. Reaction / A change in matter that produces one or more new substances
- 8. / When the reaction is complete, you have new substances
- 10. Property / Characteristic of a substance that describes its ability to change into other substances.
- 12. Equation / A short and easy way to show a chemical reaction using symbols instead of words
- 15. / A number placed in front of a chemical formula in an equation