Across
- 2. are changes affecting the form of a chemical substance, but not its chemical composition A change that doesnt effect the chemical composition.
- 4. is a measure of the amount of matter in a substance or an object How much of the object/substance's makeup is matter
- 7. can be observed or measured without changing the composition of matter and go off of physical appearance What characteristics does it contain?
- 8. is the temperature at which a liquid boils and turns to vapor The point where liquid vaporizes
- 11. is a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction It changes chemical makeup.
- 12. it float/sink?
- 13. is a measure of how readily a substance undergoes a chemical reaction A substances level of responsiveness
Down
- 1. is the ease with which a combustible substance can be ignited, causing fire or combustion or even an explosion The degree of difficulty required to cause the combustion of a substance is quantified through fire testing.
- 3. is any of a material's properties that becomes evident during, or after, a chemical reaction The new properites of a substance after its been chemically changed
- 5. is the creation of a solid from a solution When a solution becomes a solid
- 6. is a measure of how easily a substance bursts into flame, through fire or combustion How well it can catch on fire
- 9. is mass per unit volume of a substance
- 10. point is the temperature at which a substance begins to melt The point in temperature a substance reaches where a substance starts so melt