Across
- 3. using the 5 senses to observe any information
- 4. a pure substance created from one type of a single type of atom
- 7. chemical/physical change that absorbs heat from surroundings, makingit feel cooler
- 10. number of molecules or atoms in a reaction
- 12. amount of mass per unit volume in a substance
- 14. identifying/measuring what substance is in a sample
- 15. a state of matter with no fixed shape or volume, think clouds
Down
- 1. chemical process releasing energy into surroundings in the form of heat/light
- 2. of matter: neither created or destroyed
- 5. when 2+ different chemical elements are bonded together to create a substance
- 6. an analysis in chemistry
- 8. small number written at the bottom-right of a chemical symbol formula
- 9. of best fit: a straight/curved line going through a scatter plot graph, going through data points
- 11. mixing 2 physical chemical substances that are not chemically bonded together
- 13. substance: a form of matter with a constant/uniform composition