SCİENCE

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Across
  1. 4. the natural environment of an animal or plant
  2. 6. a group of plants or animals that share similar characteristics
  3. 8. the relationship between the weight of a substance and its size
  4. 9. scientist who finds the periodic table
Down
  1. 1. a chemical element present in all animals and plants and in coal and oil
  2. 2. the process by which plants use energy from sunligh, carbon dioxide and water, and generate excess oxygen
  3. 3. a metallic element that burns very brightly, used to make fireworks
  4. 5. all the living things in an area and the way they affect each other and the environment
  5. 7. a part of a cell that is passed on from a parent to a child and that controls particular characteristics
  6. 9. A chemical in the cells of living things that contains genetic information