Lab Safety

What should you do if you get this chemical in your eyes?

Rinse with water for several minutes

What should you do if you get this chemical on your skin?

Gently wash with soap and water

What personal protective equipment do you need when working with this chemical?

Gloves, protective clothing, eye protective

Should you have your hair down during labs?

No, you must tie it up if you have long hair to avoid incidents such as fires

Should you use safety googles during labs

True

What do you use to put out fires?

Fire extinguisher

If smells are prominent around the lab what should you do?

Turn on the fume hood, evacuate, notify authorities

What should you not do during labs?

No lab equipment, mixing chemicals all at the same time, drinking the chemicals

What is the proper way to pour chemicals into a beaker?

Use a pipet not a straw

What should you not do during labs? P.2

Playing with equipment, personal items not put away, food present on the table

What should you do during labs?

Use equipment carefully, put away belongings

Is it okay to use cracked glassware if the crack is only a couple millimeters long?

No, because it may lead to injuries

What should you do if you accidentally cut yourself with broken glass?

Rinse the cut and alert teacher

Is it okay to use your bare hands to take a flask off a hotplate?

Never handle glass with no gloves

Should you use the glassware in the picture? If not, what should you do with it?

No, it is significantly damaged and may lead to injuries. Throw it in the broken glassware with gloves and alert teacher

How should you move hot glassware?

Move glassware with tongs

If you move hot glassware off a hotplate, where should you put it after you move it?

Move to a heat-resistant mat

If you are using a water bath, what should you do before emptying the water?

Turn off the hotplate and let it cool

What do you need to do before you mass (weigh) chemicals that have been heated?

Let the glassware cool before weighing

Propose a possible consequence of getting acid in your eye

You will damage your eye and potentially go blind

Do you think we can make the egg with the acid in it normal again? Explain your reasoning

No, the model shows the eye significantly damaged. As we may treat it, it can never go back to normal

Propose three precautions you can take to prevent harmful chemicals from getting into your eyes

1. Use googles

2. Stay at a safe distance from the chemicals

3. Be careful dealing with acid

According to the instructions, how long do you need to wash your eyes if you get something in them?

10-15 seconds of rinsing with water

What are three pieces of clothing you should NOT wear in the lab?

1. Tank top

2. Shorts

3. Sandals

What are three items that can protect you when you work in the lab?

1. Closed-toed shoes

2. Long-pants

3. T-shirt

What are three precautions you can take to prevent lab fires?

Don’t feed the flames, avoid fake nails, never bring any flammable chemicals near

What is one strategy you can use to put out a fire on someone’s clothing?

Lay them on the floor and roll them over

If the chemical in your beaker catches fire, what can you do to put the fire out?

Extinguish the fire and evacuate

What are the four steps of PASS?

1. Pull the pen

2. Aim low

3. Squeeze handle slowly

4. Sweep the nozzle side to side

What is #1

Explosive

What is #2?

Gas under pressure

What is #3?

Health hazard

What is #4?

Flammable

What is #5?

Serious Health Hazard

What is #6?

Oxidising

What is #7?

Toxic

What is #8?

Hazardous to the environment

What is #9?

Corrosive

Propose two actions you can take to minimize the risk of a spill

1. Correct storage of chemicals

2. Don’t overfill containers

What is one thing you should do if there is a minor chemical spill?

Alert people of the spill

If there is a major chemical spill involving a flammable substance, what is one action that needs to be taken?

Turn off ignition and heat sources

Propose tow more actions (from the risk factor list) you can take to minimize the risk of a spill

Appropriate clean up and pay attention

If there is a major chemical spill involving a flammable substance, what is one action that needs to be taken?

Close doors to affected area

If a classmate spills strong acid all over himself, what must they do immediately to minimize the risk of serious injury?

Flush your skin with water for 15 minutes or more