Across
- 6. The law of conservation of mass states the total amount of matter remains the same, regardless of any chemical or physical change.
- 7. reaction when 1 element replaces another element in a compound
- 10. reaction in which energy is released in the form of light or heat
- 12. the act of a compound breaking down into simpler products
- 13. mixture with non-uniform composition. Composition varies from one region to another with at least two phases that remain separate from each other.
- 15. mixture which appears uniform throughout
Down
- 1. a substance formed as a result of a chemical reaction
- 2. reaction in which the reactants absorb heat energy from the surroundings
- 3. refers to a material which is made by humans; involves a chemical reaction between two or more compounds
- 4. type of change that occurs when one chemical substance is transformed into one or more different substances.
- 5. a system which can exchange both energy and matter with its surroundings
- 8. type of change that alters the form or appearance of a substance without changing it into different substances.
- 9. a heterogenous mixture, containing small, undissolved particles that do not separate or settle out if mixture is undisturbed. Ex. milk and paint
- 11. a substance that enters into a chemical reaction
- 14. a mixture with particles that can be seen and easily separated by settling or filtration.
