Across
- 3. When _____ acids, always pour into water, never the reverse. Combine the liquids slowly while stirring the mixture with a glass rod. Just remember the jingle, "Like ya otter ...add acid to water."
- 5. Keep hands away from _____, eyes, and mouth while using any chemicals, solutions, or materials in the laboratory
- 7. Dispose of all paper, wooden splints, toothpicks, glass, and other solids in the trash cans, not the sinks
- 8. Pass used matches through running _____ before disposing in the trash cans
- 9. ______ are not permitted into the storage room or teacher workroom without prior approval
- 10. Never _____ anything or touch chemicals unless specifically instructed to do so
- 13. Use burners with extreme caution. Turn off a _____ burner when not in use
- 16. Tie back long ____ during laboratory activities
- 17. Never carry hot equipment or dangerous _______ through a crowd of students
- 18. Remove all broken _____ from work areas and floors as soon as possible. Never handle broken _____ with bare hands. Report mercury thermometers to the instructor right away
Down
- 1. Follow all _______ and verbal instructions carefully
- 2. Wash ______ thoroughly at the conclusion of every laboratory
- 4. Keep work areas _____
- 5. Know _____ drill procedures
- 6. When removing an _______ plug from the socket, pull on the plug, not the cord
- 7. Wear closed-toe _____, at all times, in the laboratory activities
- 11. _____ and drinking in the laboratory is strictly forbidden
- 12. Never ____ reagents back into bottles, exchange liquids or stoppers of bottles, or lay stoppers on the table
- 14. Do not bring any _______ in contact with a flame unless instructed to do so.
- 15. Always test the ____ of chemicals by waving your hand above the container and sniffing cautiously from a distance (wafting)