Lab Safety. Hands-on experiences are essential to learning in science class, but safety must be the first concern! Hands-on experiences are essential.

Lab SafetyLab Safety

Hands-on experiences are essential to Hands-on experiences are essential to learning in science class, but learning in science class, but safety safety must be the first concern!must be the first concern!

The following rules exist for your The following rules exist for your safetysafety..

These rules help to prevent accidents in These rules help to prevent accidents in the lab and allow for more efficient work the lab and allow for more efficient work to occur.to occur.

Safety FirstSafety First

Science is a hands-on laboratory class. Science is a hands-on laboratory class. You will be doing many laboratory activities, You will be doing many laboratory activities,

which require the use of hazardous chemicals which require the use of hazardous chemicals and expensive lab equipment. and expensive lab equipment.

Safety in the science classroom is the #1 Safety in the science classroom is the #1 priority.priority.

To ensure a safe science classroom, a list of To ensure a safe science classroom, a list of rules has been developed and provided to you rules has been developed and provided to you in your student safety contract. in your student safety contract.

These rules must be followed at all times. These rules must be followed at all times. A signed lab safety contract is required to A signed lab safety contract is required to

participate in labs.participate in labs.

When first entering the science When first entering the science room, do not touch any equipment, room, do not touch any equipment, chemicals or other materials until chemicals or other materials until you are instructed to do so.you are instructed to do so.

NEVER enter the room if NEVER enter the room if unsupervised.unsupervised.

Stay focused & pay attention to all Stay focused & pay attention to all written and verbal instructions.written and verbal instructions.

Ask questions before proceeding if Ask questions before proceeding if you are unsure.you are unsure.

Know what you are to do before Know what you are to do before you do it.you do it.

Misbehavior CANNOT and WILL Misbehavior CANNOT and WILL NOT be tolerated!NOT be tolerated!

Immediately notify your teacher Immediately notify your teacher of any of any unsafeunsafe conditions you conditions you observe.observe.

Work with your group at your Work with your group at your station only.station only.

Report all accidents immediately, Report all accidents immediately, no matter how small.no matter how small.

This includes broken glass, cuts This includes broken glass, cuts and scrapes, chemical spills and and scrapes, chemical spills and fire.fire.

Learn the proper techniques Learn the proper techniques for handling these accidents. for handling these accidents.

Remain calm!Remain calm!

Please note the location and Please note the location and proper use of the following lab proper use of the following lab safety safety equipment:equipment:

Eyewash StationEyewash Station SafetySafety Shower Shower Fire Fire SafetySafety Blanket Blanket Fire ExtinguisherFire Extinguisher First Aid KitFirst Aid Kit Office/Nurse Call ButtonOffice/Nurse Call Button

Wear Wear safetysafety goggles and, when goggles and, when needed, gloves while engaging in needed, gloves while engaging in lab activities.lab activities.

Proper dress for lab includes: Proper dress for lab includes: – Tying back long hairTying back long hair– Removing dangling jewelryRemoving dangling jewelry– Rolling up long sleevesRolling up long sleeves– Securing baggy clothingSecuring baggy clothing

NEVER eat or drink in the lab.NEVER eat or drink in the lab.

Keep hands away from eyes, mouth Keep hands away from eyes, mouth and body while using chemicals. and body while using chemicals.

Wash your hands with soap and Wash your hands with soap and water water after performing after performing lab activities.lab activities.

NEVER touch, taste or smell NEVER touch, taste or smell any chemicals unless any chemicals unless specified to do so.specified to do so.

Never rinse anything down the Never rinse anything down the sink without the permission of sink without the permission of your teacher.your teacher.

Plant SafetyPlant Safety

Do not eat any plants in lab. Wash your hands after handling

plants.

Animals SafetyAnimals Safety

Only handle living organisms with teacher permission.

Always treat living organisms humanely.

Wash your hands after handling animals.

Heating SafetyHeating Safety

Tie back hair and loose clothes when working with open flames.

Never look into a container as you are heating it.

Heated metal and glass looks cool, use tongs or gloves before handling.

Never leave a heat source unattended.

Sharp ObjectsSharp Objects

When using knifes or other sharp objects always walk with the points facing down.

Cut away from fingers and body.

Note the “Note the “SAFETY TIPSSAFETY TIPS” in your ” in your book before conducting lab book before conducting lab activities.activities.

Use the posted procedure and Use the posted procedure and evacuation route for exiting the evacuation route for exiting the classroom and building if classroom and building if necessary.necessary.

In fairness to others, clean all In fairness to others, clean all glassware, labware and glassware, labware and equipment at the end of the lab.equipment at the end of the lab.

Return all equipment and Return all equipment and supplies to the proper storage supplies to the proper storage area.area.

What’s Wrong With What’s Wrong With This Picture?This Picture?

What’s Wrong With What’s Wrong With This Picture?This Picture?

What’s Wrong With What’s Wrong With These Statements?These Statements?• Hal says that his teacher is solely responsible for

preventing laboratory accidents.

• Keshia started the lab activity before reading it through completely.

• Ricardo decided to do a lab activity that he read about in a library book before the teacher came into the classroom.

• Stephanie says that the safety goggles mess up her hair and give her raccoon eyes. She refuses to wear them.

• Barbie and Ken accidentally break a beaker full of some chemical. Instead of risking getting in trouble they quickly clean up the mess with paper towel and throw it in the garbage.

REMEMBER!REMEMBER!

Remember, Remember, Remember, Remember, Remember!Remember!

• Wear safety goggles when working with chemicals, flames, or heating devices.

• If a chemical gets in your eye, flush in water for 15 minutes and notify the teacher.

Safety SymbolsSafety SymbolsEye Protection

Sharp Objects• When using knifes or other sharp objects always walk with the points facing down. • Cut away from fingers and body.

Electrical Safety• Do not place a cord where someone can trip over it.

• Never use electricity around water.

• Unplug all equipment before leaving the room.

Safety SymbolsSafety SymbolsAnimal Safety

• Only handle living organisms with teacher permission.

• Always treat living organisms humanely.

• Wash your hands after handling animals.

Heating Safety• Tie back hair and loose clothes when working with open flames.

• Never look into a container as you are heating it.

• Heated metal and glass looks cool, use tongs or gloves before handling.

• Never leave a heat source unattended.

Safety SymbolsSafety SymbolsChemical Safety

• Read all labels twice before removing a chemical from the container.

• Never touch, taste, or smell a chemical unless instructed by the teacher.

• Transfer chemicals carefully!

Hand Safety• If a chemical spills on your skin, notify the teacher and rinse with water for 15 minutes.

• Carry glassware carefully.

Plant Safety• Do not eat any plants in lab.

• Wash your hands after handling plants.

Safety EquipmentSafety Equipment Fire Blanket – Located in the glass Fire Blanket – Located in the glass

cabinet by the closet.cabinet by the closet.• Fire Extinguisher – Located on the front

wall.To operate the fire extinguisher remember P-A-S-S

P- Pull the Pin

A-Aim the hose at the base of the fire from 5-6 feet away.

S-Squeeze the handle.

S-Sweep the hose back and forth across the fire.

REMEMBER: Stop, Drop, & RollOn Fire?

Any Questions?Any Questions?

REMEMBER:• Carefully read through the entire safety contract and sign.• Have your parents read and sign your safety contract.• Study for the safety quiz later this week!

You and your parents must agree You and your parents must agree to and sign the to and sign the safetysafety contract in contract in order to participate in lab order to participate in lab activities.activities.

Failure to comply with Failure to comply with safetysafety guidelines may result in your guidelines may result in your removal from the class and loss of removal from the class and loss of credit for the work that is done in credit for the work that is done in your absence.your absence.

PracticePracticeSAFESAFE

ScienceScience