Across
- 4. a part of a fan or machine
- 5. a type of radiation
- 6. the properties of heat,and matter
- 7. a instrument capable to detect radiation in outer space
- 9. eletromagnetic radiation
Down
- 1. a movement or series of movement
- 2. a business relationship
- 3. an TV ad
- 8. a type of art or space ship
- 10. a person who does precision guess work