Science Lab Safety

Always wear goggles and a lab apron There will be no exception to this rule!

2. Conduct yourself in a _______________ manner at all times in the laboratory. responsible

3. Study your lab assignment before you come to class and have your __________ completed. Pay particular attention to dangerous reagents or special safety precautions. Pre Lab

4. Never work in the lab without _______________________________ proper supervision

5. Never perform an _____________________ unauthorized experiment.

6. Never ______ by mouth and never _______ gases or other vapors. pipet inhale

7. Be careful with ____________________ glass equipment.

8. Never ________________________ in any part of this classroom. eat, drink or chew gum

9. Report any accident, injury, chemical spill or ______________ procedure at once. inappropriate

10. Tie back ________ and secure ___________________ long hair loose clothing

11. Do not leave a ________ burner unattended. lighted

12. Read labels of _____________ carefully before using the chemicals. containers

13. Never return ________ chemicals to a reagent bottle. Do not put a pipet, dropper or spatula in a reagent bottle – pour the reagent into a small beaker instead. unused

14. Always pour ____ slowly into water to dilute – never pour water into acid. (Remember: ADD ACID) acid

15. Place broken glass, solid substances and used chemicals in ___________ container. Never throw a chemical down the sink unless given permission by your teacher. designated

16. Keep your lab area as ______ as possible at all times. clean

17. _________________ with soap and water after each experiment. Wash your hands

18. To test the odor of a solution, do not hold it directly under nose. Hold it away and ____ your hand over the solution towards you. (wafting) wave

19. Use the __________ when working with volatile substances or poisonous vapors. vent hood

Emergency Situations 1. Spray fire extinguisher left to right at the base of the flame. Where is the fire extinguisher? ______________________

2. If clothing catches fire wall calmly to the safety shower. If your lab partner’s clothing catches fire use the fire blanket to smother the fire. How do you use the safety shower?_____________________ Where is the fire blanket?_____________

3. Corrosive chemicals splashed on skin should be flushed off promptly with copious amounts of flowing water for at least 10 minutes. If splashed on clothing, the clothing must be removed while under the safety shower. Stay under the shower for at least 10 minutes while your teacher calls the nurse or 911.

4. A corrosive chemical in the eye is a very serious matter. Get to an eye wash fountain immediately (within 15 seconds if possible). Wash the eye for at least 15 minutes while someone else calls the nurse. Keep the eyelid open fully; move the eyeballs up, down, left, right, criss-cross, round and round. How do you use the eye wash fountain?________________

Demonstration of Lab Safety Equipment

Equipment Review

Beaker Used to hold or heat liquids

Graduated Cylinder Used to accurately measure the volume of liquids

Erlenmeyer Flask Used to hold or heat liquids Used to store liquids

Florence Flask Used to hold or heat liquids Has a narrow top to prevent excessive evaporation NOT used to measure volume!!!!!!

Test Tube Holds or heats small amounts of liquid

Test Tube Holder Metal object with a spring handle to hold a test tube

Crucible Tongs Metal, many types, used to pick up and hold objects

Beaker Tongs Used to hold beakers

Clay Triangle Used support the crucible over flame OR used to hold a funnel over beaker

Crucible and Cover Heats small amounts of solid substances at high temperatures

Wire Gauze Spreads the heat of the flame

Bunsen Burner Metal heating device connected to gas outlet with rubber tubing used to heat chemicals in beakers or test tubes

Ring Stand Metal rod upright with heavy base used as a support

Micro Plate Plastic with wells, used to hold liquids in micro equipment

Ring Clamp Attaches to ring stand, supports wire gauze or pipestem triangle

Test Tube Clamp Used to hold a single test tube on a ring stand

Mortar and Pestle Used to grind large crystals into a fine powder

Test Tube Rack Supports multiple test tubes

Wash Bottle Various sizes, squeezable plastic bottle with angular tip used to dispense distilled water

Test Tube brush Brush with wire handle use to scrub apparatus

Stirring Rod Glass rod used to stir combinations of materials or used in pouring liquids

Evaporating Dish Used to evaporate small amounts of liquids

Watch Glass Used to cover a beaker

Funnel Glass or plastic used to hold filter paper or used to aid in pouring

Forceps Metal used to pick up or hold small objects

Disposable Pipet Plastic used in micro experiments to transfer small amounts of liquid

Striker Metal with flint used to spark or light flame

Goggles Used to protect eye during a lab activity

Equipment Review I have who has

Make a Safety Poster

Brainstorming Class Rules