Lab Safety

4. If you are heating a substance in a test tube. Always point the open end of the tube ______ from all people
5. Flammable materials, like alcohol, should never be dispensed or used near an open _______
6. All chemicals in the lab are to be considered ______
8. If a laboratory fire erupts, immediately _______ your instructor
10. You are heating a piece of glassware and now want to pick it up. You should use ______
11. Work areas should be kept clean and tidy (true or false)

1. If you do not understand a direction or part of a lab procedure, you should ask the instructor before _____________
2. If an acid is splashed on your skin, wash at once with plenty of ________
3. You have been injured in the laboratory (cut, burn, etc.) First you should _____ the science instructor at once
7. Horseplay in the laboratory is ______ allowed
9. It is ok to pick up broken glass with your bare hands as long as the glass is placed in the trash (true or false)
10. Long hair in the laboratory must be ______ back