"Grade 7 Chemistry Vocabulary": HTML5 Crossword

Across

3. a measure of the amount of matter (4)
4. a combination of two or more substances that are not chemically combined (7)
8. the relative resistance of a mineral to scratching, as measured by the Mohs scale. The relative resistance of a metal or other material to denting, scratching, or bending (8)
9. any traits of substance that can be measured, such as an object's density, color, malleability, hardness, odor, temperature, etc. (8)
10. the temperature at which a given solid will melt, or change phase from solid to liquid (12)
11. a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent (10)
12. matter which has a specific composition and specific properties. It has homogeneous composition meaning it is the same all the way through (9)

Down

1. a measure of the “compaction” of matter, defined the by volume occupied by a given mass. The relationship is illustrated as a mathematical ratio of mass divided by volume (7)
2. the amount of space occupied by an amount of matter (6)
5. a substance that takes part in and undergoes change during a chemical reaction (8)
6. chemical decomposition produced by passing an electric current through a liquid or solution containing ions (12)
7. the resulting substances of a chemical reaction (7)