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