Across
- 2. a substance composed of two or more elements in fixed definite proportions
- 4. the capacity to do work
- 8. the characteristics we use to distinguish one substance from another
- 9. a theory or law before it has become well established; a tentative explanation for an observation or scientific problem the can be test by further investigation
Down
- 1. a measure of space. any unit of length when cubed becomes a unit of this
- 3. often the first step in the scientific method.
- 5. a number that represents the number of times a term is multiplied by itself
- 6. the smallest identifiable unit of an element
- 7. a fundamental property of materials that relates mass and volume and differs from one substance to another