Across
- 3. changes in a substance's color, form, smell, or temperature indicates a chemical _
- 8. 1-3% of our body mass consists of these microscopic organisms
- 10. an instrument used to measure temperature
- 11. H2O (water) = 2 hydrogens and 1 _
- 12. the _ data sheets provides important information about any health aliments a raw material may cause
Down
- 1. instrument that visualizes what the man naked eye cannot see
- 2. (is an acronym) consists of gloves, eyewear, hair nets, and lab coats
- 4. a common cylindrical lab equipment with a lip for pouring
- 5. in all labs, there are designated _ bins for used chemicals, broken glass, or biohazardous materials
- 6. an explanation for a phenomenon that is backed up by extensive tests and observations
- 7. used to transfer small amounts of liquid
- 9. a person who works in chemistry
- 13. composed of electrons, protons, and neutrons