Across
- 1. physical substance
- 4. substance that takes part in and undergoes change
- 7. relating to physics or the operation of natural forces generally.
- 10. in physics, the capacity for doing work.
- 11. result
- 12. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Down
- 2. smallest unit of matter
- 3. a connection between two surfaces or objects that have been joined together, especially by means of an adhesive substance, heat, or pressure.
- 5. a conductor through which electricity enters or leaves an object, substance, or region.
- 6. a transformation
- 8. to alter/modify
- 9. relating to chemicals.