science

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Across
  1. 5. rock made of different substances with crystal
  2. 6. a material such as air, water or glass
  3. 7. very small particles of plastic
  4. 8. a rock that has been change by heat or pressure both
Down
  1. 1. the release of an unfertilized egg with the lining
  2. 2. a soil with a balance of sand, clay and organic matter
  3. 3. the temperature at which a solid becomes a liquid.
  4. 4. the amount of matter in an object.
  5. 5. (KG) the organs we use for breathing
  6. 6. point large intrusion of igneous rock.