SCIENCE

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Across
  1. 2. This gas is 78% in the air
  2. 3. Substance consisting of only one type of atom
  3. 5. A mixture of water vapour,dust and gases
  4. 7. Example of unicellular plant
  5. 8. The part of a plant cell that contains chlorophyll
  6. 12. It gives the plant cell a regular shape
  7. 13. Example of unicellular animal
  8. 14. Element can be classified into non-metal and _________________
  9. 16. To measure the weight
Down
  1. 1. To measure the internal diameter of container or beaker
  2. 4. One of the properties of metal
  3. 6. Density of this liquid is 1.0 g/cm
  4. 9. Gas needed for combustion
  5. 10. The human body contains about 70% ____________________
  6. 11. Cell organization is consists of cell,tissue.organ and____________
  7. 15. Blood is a _____________________