Across
- 3. molecules attract to different substance
- 4. living organism are made up of cells
- 5. all organisms have proteins found within mRNA strands
- 6. part of metabolism, breaking molecules to smaller molecules
- 10. slightly postive or negatively charge
- 11. physical changes that can be observed during or after chemical reaction
- 15. amount of energy that must be added to liquid substanceto transform a quantity of that substance into a gas.
- 16. the sum of all chemical processes that occur in an organism
- 18. slightly positive hyrgen and slightly negative atom
- 19. water molecules sticking to each other
- 20. oppositely charged ions
Down
- 1. constant/maintenance internally(temp.=cold, body heats)
- 2. no charge
- 4. materials become evident during or after chemical reaction
- 7. amount of heat to be supplied to a given mass of a material to produce a unit change in its temperature.
- 8. moisture carried from plant leaves (evaporation)
- 9. atoms of elements in organisms bonded
- 12. part of metabolism, building molecules
- 13. outer shell of electron
- 14. atoms shar a pair of electrons
- 17. atom, radical, or molecule that has gained or lost one or more electrons and has - or + charge