Across
- 4. when two substances combined and create a new one
- 6. the amount of space a object takes up
- 9. the quantity of matter within a given object
- 12. the ability to do work
- 13. a chemical reaction witch are formed due to a chemical reaction
- 14. a form of energy that is transfer between two or more substances with different temp
- 16. the smallest part of a substance
- 17. chemical reaction when they absorb heat energy from there surroundings
Down
- 1. anything that takes up space or can be weighed
- 2. a substance that speeds up a chemical reaction
- 3. a link between atoms and molecules
- 5. a substance made from two or more different elements
- 7. releases heat cause the immediate surroundings to rise
- 8. a substance that cant be broken down
- 10. the starting materials in a reaction that undergo a chemical change
- 11. a material composed of two or more substance
- 13. a substance they can be observed or measured without changing idenity
- 15. the action or property of molecules