Across
- 4. chemical reactions where more energy is required to break the bonds of the reactants than is released when products form
- 6. a change in matter in which the substances that make up that matter change into substances with different chemical and physical properties
- 9. the ability of a type of matter to burn easily
- 12. ability of one material to dissolve in another material
- 14. occurs when atoms of one or more substances rearrange to form one or more new substances
- 16. the mass of a substance divided by the volume of the substance
Down
- 1. the ability to conduct electricity or thermal energy
- 2. the reaction of a substance with an oxidizing agent, changing it into a new substance.
- 3. a characteristic of matter that can be observed as it changes to a different type of matter
- 5. when a substance reacts with another substance, changing it into a new substance
- 7. more energy is released when the products form than is required to break the bonds in the reactants
- 8. the amount of matter in an object
- 10. any characteristics of matter that you can observe without changing the identity of the substances that make it up
- 11. the amount of space a substance takes up.
- 13. substances that are produced by the chemical reaction
- 15. are the starting substances in a chemical reaction