Across
- 3. source of danger
- 5. act of looking at something closely in order to learn more about it, to find problems
- 8. state of not being dangerous or harmful
- 10. energy that comes from a source in the form of waves or rays you cannot see
Down
- 1. continuous slight shaking movement
- 2. sound that someone or something makes
- 4. measurement that indicates how hot or cold something is
- 6. instrument for measuring the air entering and leaving the lungs
- 7. soft grey mineral that does not burn, that was used especially as a building material in the past
- 9. infection which obstruct body from functioning at optimum level