Across
- 1. the ability to change from one type of matter to another
- 4. these can be broken down my chemical changes to yield elements or themselves
- 6. a tentative explanation of observations that act as a guide for gathering and checking information
- 12. a change in the state or properties of matter without accompanying change in the chemical identities of the substance contained in the matter
- 14. a property that depends on the amount of matter present
- 15. a type of mixture that exhibits a uniform composition and appears visually the same throughout
- 18. characteristics that distinguish one substance from another
- 19. two or more atoms joined by chemical bonds
- 20. anything that takes up space and has mass
Down
- 2. a change that produces one or more types of matter that differ from the original matter
- 3. a characteristic of matter that is not associated with a change in its chemical composition
- 5. the study of the composition, properties, and interactions of matter
- 7. type of mixture with a composition that varies from point to point
- 8. measure of the amount of matter in an object
- 9. a property that does not depend on the amount of matter present
- 10. pure substances that cannot be broken down into simpler substances by chemical changes
- 11. the force gravity exerts on an object
- 13. smallest particle of an element and has the properties of that element
- 16. standards of comparison for measurements
- 17. composed of two or more types of matter that can be present in varying amounts and can be separated by physical changes