To be safe, only mix chemicals when (a)   says to.

Rule: Always add acid to water-never the reverse. Remember (a)   = Add Acid.

Pour (a)   down a stir rod to avoid splashes.

Keep stoppers/lids between (a)   when pouring liquid. Never put the stopper/lid on the counter.

Pour liquids with hands over the (a)   to prevent drips from blurring the label.

(a)   taste, touch or smell anything in lab. Especially from the reagent bottle.

If you need to smell something, (a)   the vapors to your nose.

To prevent contamination, use only (a)   glassware.

Never pour anything back into the reagent bottle. It is better to (a)   excess chemical than to risk contaminating the entire bottle of reagent.

Report spills to (a)   immediately. Let your teacher clean it up.

(a)   when finished. If you leave chemical residue on the counter, it could get on the next person who comes into the classroom.

(a)   when finished. If you leave chemical residue on the counter, it could get on the next person who comes into the classroom.

The valve on the (a)   of the Bunsen burner controls gas flow.

Air inlets control the amount of (a)   burning in the flame.

When setting up your Bunsen burners, make sure the hose fits (a)   on the natural gas valve.

The Bunsen burner natural gas valve should be completely (a)   when igniting.

Once your burner is lit, adjust the gas valve on the bottom of the Bunsen burner, then (a)   the burner under your heating apparatus.

If your flame is yellow, it is too (a)   . You need to adjust the air holes to allow more oxygen to flow so you can have more combustion- a hotter flame.

If your flame is too high or too low, adjust the gas valve on the (a)   of the Bunsen burner.

The inner blue cone is the (a)   .

If your flame sputters, flares, or if you smell gas, turn the gas (a)   .

Check glassware for cracks and stars. If your glassware is damaged, ask the (a)   to replace it.

Test tubes can be heated in a hot water bath or directly in the Bunsen burner flame. Aim the test tube (a)   from both you and your neighbors.

Only heat (a)   containers.

Hot equipment looks like cold equipment. Be careful. If using a Bunsen burner, handle everything as if it were (a)   !

Do not (a)   a thermometer.

We use alcohol thermometers. Do not heat above (a)   range or it will explode.

Secure thermometers on countertop so it does (a)   roll off.

If you break your thermometer, let your (a)   clean it up.

Wear close fitting clothing made of natural fibers. You may use a lab apron to (a)   your clothes.

Wear _______________ pants or a _______________ skirt to protect your legs.

(a)  

No open (a)   shoes.

Tie up (a)   hair.

Remove (a)   . Chemicals can get caught between your jewelry and your skin causing damage to your skin or jewelry.

Your (a)   are easily damaged- they do not repair themselves. Any chemical damage done is done forever. You are advised not to wear contacts.

You must always (a)   goggles in lab.

No horseplay. Accidents happen. Pick up personal belongings from (a)   . I should be able to walk between all desks without tripping on your book bags, purses, ect.

Do not apply (a)   during lab. Your makeup may become contaminated, then you will be smearing chemical on your face each time you reapply.

Do not _______________ or_______________ in class. Even if you were not doing lab today, it does not ensure that other classes have not done lab and left who knows what out. If you walk in with food or drink, I will considered it contaminated and throw it away. Don't do it.

(a)  

If you (a)   yourself, rinse with water immediately. Ensure all glass is removed from the wound. Dry your wound and tell your teacher immediately.

If you get chemical in your eyes, wash them (a)   in the eye wash fountain for at least 15 minutes.

If you spill chemical on your skin, (a)   with plenty of water.

If you spill a (a)   chemical on yourself, strip and jump into the safety shower. Do not wait for the chemical to start burning. Once it starts to burn your skin, we cannot make the reaction reverse. I will make everyone leave the room so you can maintain your dignity.

If there is a fire in the lab, turn off your (a)   and tell the teacher. Let the teacher put the fire out.

If you catch yourself on (a)   hit the shower! If for whatever reason you cant shower, stop, drop and roll. A buddy will help you with a fire blanket.