test your general scientific knowledge with our crossword!

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Across
  1. 1. Extinct species/subspecies of prehistoric/archaic humans, characterised by their thicker skulls and brow ridges
  2. 6. The Earth was believed to be the center of the universe prior to this astronomer
  3. 8. "The emulation of the models, systems, and elements of nature for the purpose of solving complex human problems"
  4. 9. A very special cat
  5. 10. The name of Elon Musk's internet satellite constellation
Down
  1. 2. This term describes a process or reaction that releases energy from the system to its surroundings, usually in the form of heat
  2. 3. humans have 23 pairs of these
  3. 4. German physicist who discovered X-rays in 1895
  4. 5. Revolutionary gene editing tool
  5. 7. Part of the brain involved in the processing of fear-related emotions and memories