Science

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Across
  1. 2. the smallest structural and functional unit of an organism
  2. 3. Basic unit of an element
  3. 5. A proton is a subatomic particle found in the nucleus of every atom, has a positive electrical charge.
  4. 6. No definite shape but a definite volume
  5. 7. The powerhouse of the cell
  6. 10. solid to gas
  7. 14. a usually round part of most cells that is enclosed in a double membrane, controls the activities of the cell, and contains the chromosomes
  8. 15. any of a number of organized or specialized structures within a living cell.
  9. 17. A neutron is a subatomic particle found in the nucleus of every atom except that of simple hydrogen, has no electrical charge
  10. 19. A group of atoms bonded together
  11. 21. the charge that an electron has
Down
  1. 1. An electron is a tiny particle of matter that is smaller than an atom and has a negative electrical charge.
  2. 4. gas to liquid
  3. 7. a measure of the amount of matter in an object
  4. 8. A state of matter that only exists in extremely high temperatures
  5. 9. apparatus a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
  6. 11. a substance that cannot be further broken down by any chemical reaction
  7. 12. something that has a definite volume and shape
  8. 13. the charge that a proton has
  9. 16. Something that takes up space
  10. 18. how much space an object or substance takes up
  11. 20. any substance composed of identical molecules consisting of atoms of two or more chemical elements