Unit 4 Vocabulary

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Across
  1. 3. biologist, chemist, physicist
  2. 7. gravity, power, force
  3. 8. first lightbulb, telephone, computer
  4. 9. bridges, robots, math
Down
  1. 1. medicine, x-rays, health
  2. 2. books, data, conclusion
  3. 4. elements, periodic table
  4. 5. business, risk, money
  5. 6. plants, animals, life