Mr. Worzel Science 6 th Grade Room 410 Impacting Futures Through Learning Today

Warm up 1.Before starting a laboratory experiment, what should you do first?

Warm up 2. When should safety glasses or goggles be worn in the science laboratory? A: When using: Glassware Chemicals Heat

3. Is it ok to experiment on your own in the science lab? NO

Draw

Label element or compound

Copy into composition book label element (E),compound(C)or mixture(m)

Label element or compound

Metal Metalloid Nonmetal

1. If a fire erupts, immediately A. notify the teacher. B. run for the fire extinguisher. C. throw water on the fire. D. open the windows. 2. Approved eye protection devices (such as goggles) are worn in the laboratory A. to avoid eye strain. B. to improve your vision. C. only if you do not have corrective glasses. D. any time chemicals, heat, or glassware are used. 3. If you do not understand a direction or part of a laboratory procedure, you should A. figure it out as you do the lab. B. try several methods until something works. C. ask the teacher before proceeding. D. skip it and go on to the next part.

4. After completing an experiment, all chemical wastes should be A. left at your lab station for the next class. B. disposed of according to your teacher’s directions. C. dumped in the sink. D. taken home. 5. You have been injured in the laboratory (cut, burned, etc.). First you should A. visit the school nurse after class. B. see a doctor after school. C. tell the teacher at once. D. apply first aid yourself. 6. Long hair in the laboratory must be A. cut short. B. held away from the experiment with one hand. C. always neatly groomed. D. tied back or kept entirely out of the way with a hair band, etc.

7. Which of the following should NOT be worn during a laboratory activity? A. loose clothing B. dangling jewelry C. sandals D. All of the above. 8. Horseplay, practical jokes, or pranks in the classroom are A. always against the rules. B. okay. C. not dangerous. D. okay if you are working alone. 9. If a piece of equipment is not working properly, stop, turn it off, and tell A. the principal. B. your lab partner. C. Your best friend in the class D. the teacher.

10. When you finish working with chemicals, biological specimens, and other lab substances, always A. treat your hands with skin lotion. B. wash your hands thoroughly with soap and water. C. wipe your hands on a towel. D. wipe your hands on your clothes. 11. The following activity is permitted in the laboratory: A. chewing gum B. eating C. drinking D. None of the above. 12. You get a hand out of the directions for the lab experiment. What is the first thing you should do to conduct the experiment safely? A. open any chemical described in the experiment. B. mix your materials with those of another group to save time. C. read every step of the procedure to make sure you understand it. D. start taking out all the supplies you need.

13. Before you leave the science room, you should A. clean your work area and equipment. B. return all equipment to the proper storage area. C. wash your hands with soap and water. D. All of the above. 14. You should wear your safety goggles when A. measuring with a ruler B. pouring water into a plastic container C. heating a chemical solution D. sharpening your pencil 15. The care of your lab equipment is the responsibility of A. your teacher B. other students C. your lab partner D. yours

16. If you find a container in the lab with chemicals in it you should A. pour it down the sink B. throw in the trash can C. tell your teacher D. ignore it True or False (Mark A for True and B for False 17._ _ All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous. 18._ _ Work areas should be kept clean and tidy. 19._ _ Laboratory work may be started immediately upon entering the laboratory even if the teacher is not yet present. 20._ _ Never remove chemicals, specimens, or other equipment from the laboratory.

21._ _ You may leave your books, purses, jackets on the lab table you are working on. 22._ _ If you notice water on the floor, the best thing to do is to step over it. 23._ _ You may make up your own experiments when you have completed the assignment. 24._ _ You are allowed to enter the chemical preparation/storage area any time you need to get an item. 25._ _ It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.

Science Laboratory Safety Rules 1.Read all directions for an experiment several times before beginning the activity. Carefully follow all written and oral instructions. If you are in doubt about any part of the experiment, ask your teacher for assistance. 2. Know the location of emergency equipment, such as the fire extinguisher and fire blanket and know how to use it. 3. Never perform activities that are not assigned or authorized by your teacher. Obtain permission before “experimenting” on you own. Never handle any equipment unless you have specific permission.

4. After an experiment has been completed, clean up your work area and return all equipment to its proper place. 5. Remove or tie back any article of clothing, jewelry, or hair that can hang down and touch chemicals, flames, or equipment. Roll up or secure long sleeves. 6. Tie back long hair when working with flame or chemicals. 7. Never eat or drink in the science laboratory.

8. Never run, push or engage in horseplay. 9. To protect yourself from injuring your eyes, wear safety goggles whenever you work with chemicals, heat source, such as a candle, burner, or hot plate, hot glassware, or any substance that might get into your eyes. 10. Never reach across a flame. 11. When heating a substance in a test tube, make sure that the mouth of the tube is not pointed at you or anyone else.

12. Never put your face near the mouth of a container that holds chemicals. Never touch, taste, or smell a chemical unless you are instructed by your teacher to do so. Many chemicals are poisonous. 13. If you are instructed to test for odors, use a wafting motion to direct the odors to your nose. Do not inhale the fumes directly form the container. 14. When mixing an acid and water, always pour the water into the container first, and then add the acid to the water. Never pour water into an acid. 15. Notify your teacher of any problems in the lab, including: fire, accidents, injuries, spills, breakage, missing equipment or equipment not working properly. 16. Never use broken or chipped glassware.

17. Handle scalpels, scissors, or other sharp instruments with extreme care. Never cut material toward you; cut away from you. 18. If you know that you are allergic to certain materials (plants, molds, animals, etc.), tell you teacher before doing an activity in which these are used. 19. Dispose of waste materials as instructed by your teacher. 20. Wash your hand after every experiment. Wash your hands thoroughly after handling animals or the cage containing animals. Wash your hands when you are finished with any activity involving animal parts, plants, or soil. 21. MSDS – (Material Safety Data Sheet) provides information about specific chemical, precautions for handling the chemical, and first aid if the chemical injures a person. Know the location of the MSDS booklet. Be able to interpret the information on the sheet. 22. Wear closed toe shoes to lab.

No eating, drinking or chewing gum Read instructions first Flame safety Eye glasses Proper disposal of waste Fire safety equipment No running etc Proper shoes Chemical safety