Energy and disease

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Across
  1. 4. solids that formed from remains of plants that lived millions of years ago.
  2. 5. liquid that formed from the remains of sea plants and animals that lived millions of years ago.
  3. 6. signs of disease
  4. 7. a medicine that kills bacteria.
  5. 10. the body’s natural defense against disease.
Down
  1. 1. a bacteria that can be on uncooked chicken and cause food poisoning.
  2. 2. an advantage of something.
  3. 3. one of the most widely used forms of energy in daily life.
  4. 8. one-celled microorganisms that cause many diseases
  5. 9. a type of light bulb that help to save energy compared to traditional incandescent light bulbs.