Across
- 1. Tiny particles of dirt or other matter floating in the air
- 3. Gear to shield the eyes from harmful substances or objects
- 6. A device for controlling the flow of water17
- 7. water Water that is not warm or hot
- 11. Tools or machines used for experiments and tests
- 12. Substances with a sour taste that can dissolve other materials
- 16. Filters used to separate particles from fluids
- 17. A series of samples taken one after the other
- 19. Sampling and Analysis Plan
- 20. Adding air or oxygen to a substance
- 21. Pipes or tubes that carry water to different places
- 24. Coverings for the hands to protect them from chemicals or dirt
- 26. Making sure everything is done correctly to get accurate results6
- 29. A document that tracks the handling of samples from collection to analysis
Down
- 2. Faucets that can be turned or moved in different directions
- 4. The process of making something pure or clean
- 5. Materials needed for experiments and tests
- 8. Tools or instruments used for specific purposes
- 9. Water falling from the sky
- 10. Being in bad condition or needing to be fixed
- 13. Substances that can neutralize acids
- 14. Examining something to understand its parts or properties
- 15. The amount of time a sample can be stored before it needs to be tested
- 18. Environmental Protection Agency
- 22. Taking small amounts of something to study or test
- 23. Getting rid of something safely and properly
- 25. Frozen water crystals that fall from the sky
- 27. Adding unwanted substances that can make samples impure or unsafe
- 28. A place where scientific experiments and tests are done