Year 9 Science Crossword

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Across
  1. 1. The beginnings of a root making up part of a plant embryo inside a seed.
  2. 3. The smallest known infectious agent made up of very short pieces of naked RNA.
  3. 5. lobe A part of the brain that is involved in processing language and the higher sensory functions.
  4. 7. A natural substance that keeps the cell wall of plants rigid.
  5. 9. Cell division process that results in new cells with half the number of chromosomes of the original cell.
  6. 10. A structure that forms when a volcano gets hollow and then collapses on itself.
  7. 11. An intrusive rock mass that measures more than 100 kilometers across.
  8. 13. A visual thinking tool that analyses and compares.
  9. 14. The liquid collected during distillation when the evaporated substance condenses.
  10. 15. The branch of physics concerned with the properties of sound.
Down
  1. 2. Physical rather than biological, not derived from living organisms.
  2. 4. The use of bodily movements or actions to convey a specific meaning or idea.
  3. 6. Plants that lose their leaves during autumn and winter.
  4. 8. An antiseptic that stops bacteria from growing or dividing but doesn’t kill them.
  5. 12. A type of friction used to assist movement.