Lab Rules

Laboratory Safety Rules

General Rules and Procedures

  1. Conduct yourself in a responsible manner at all times and always think about what you are doing.
  2. Be prepared to work in the laboratory. Read the lab procedure thoroughly before starting the lab.
  3. Upon entering a science classroom, do not touch any equipment, chemicals, or other material in the lab area until you are instructed to do so.
  4. Follow all written and verbal instructions very carefully. If you do not understand what you are to be doing, ask the teacher before continuing.
  5. Perform only those experiments authorized by the teacher. Never do anything in the lab that is not called for in the lab procedure or by the teacher.
  6. Never work alone. No student may work in the lab without the teacher present.
  7. Never put anything in your mouth while working in the laboratory, unless the teacher instructs you to do so. Eating, drinking, and chewing gum are not allowed. Do not use laboratory containers as food or beverage containers. Do not pipet by mouth, use a pipet bulb to draw up liquid into the pipet.
  8. Never leave an experiment unattended while it is being heated or is visibly reacting.
  9. Keep your lab area clean. There are times we may use equipment that if your lab area is cluttered could result in an injury (i.e. projectiles, electrical devices, etc.) Be sure your lab area is clean and you have put up all of your equipment when you have finished the lab.
  10. Treat any living organism used in the lab humanely. Handle preserved biological specimens respectfully, and dispose of them properly.
  11. Read the labels on chemicals carefully. Serious accidents may result if the wrong chemical is used in an experiment. Take only as much chemical as you need.
  12. Keep the laboratory area clear of desks, chairs, lab stools, and personal items (i.e. backpacks, purses). The only personal items you should take into the lab area are your safety equipment, pencil, and lab handout. All other items should be placed in an area designated by the teacher.
  13. No horseplay, pranks, or practical jokes in the laboratory. This type of behavior is dangerous and could result in an injury.


  1. Safety goggles approved by the teacher will be worn any time the lab handout calls for their use (i.e. experiments with chemicals, heat, projectiles, etc.). Goggles must be worn over prescription glasses and contacts. Keep the goggles on until the teacher instructs you to take them off.
  2. Dress appropriately for lab. Tie back long hair. Secure any baggy clothing or dangling jewelry. Shoes must completely cover the foot.

Accidents and Emergencies

  1. Report any accident or broken material, however minor, to your teacher at once.
  2. Know what to do in case of a fire drill or school evacuation during laboratory work; containers must be closed, gas valves turned off, fume hoods turned off, and any electrical equipment turned off. In case of a classroom emergency, secure the lab as instructed for an evacuation and go to Ms. Rich’s room.
  3. Know the locations and operating procedures of all safety equipment including the first aid kit, eyewash station, safety shower, fire extinguisher, and fire blanket. Know where the fire alarms, nearest phone or intercom, and exits are located.

Handling laboratory materials and equipment

  1. Equipment instructions and labels must be read carefully before use. Set up and use the apparatus as directed in the lab instructions or by the teacher.
  2. BE CAREFUL! Consider all laboratory materials to be dangerous.
  3. Never return unused chemicals to their original containers.
  4. Handle knives and other sharp objects very carefully. Carry them pointing down and away. Always cut away from your body.
  5. Never aim the opening of a test tube or flask in which a reaction is taking place at yourself or anyone else. Never look in a container that is being heated or contains a reaction taking place. (This includes projectiles used in the physics lab.)
  6. Dispose of all chemical waste properly as instructed by the teacher. Check the label on waste containers before adding your waste to the container.
  7. Perform experiments in the fume hoods when asked to do so to allow irritating or toxic fumes to be vented away from you and others in the lab.
  8. Be very cautious when checking the odor of a substance. The teacher will show you the proper way for smelling a chemical when it is called for in the lab.

Violation of any of these rules resulting in unsafe or improper behavior may result in being removed from the laboratory, detention, a failing grade for the lab, or other consequences deemed appropriate by the lab instructor. 

Class Rules

Rules are important in every classroom, but they are extremely important in science classrooms.  In a science classroom, the rules are created to insure a smooth running, safe classroom especially during labs.  Please familiarize yourself with the following rules, so that we can have a safe enjoyable year.

Class Rules

  1. RESPECT is expected at all times from all individuals to all individuals.
  2. RESPECT the classroom.  No writing on walls or desks.
  3. Be on time.  You must be in the classroom in your seat before the bell rings.  Class begins when the bell rings.
  4. Stay in your assigned seat unless you have permission to be up.  Class is not over until the bell rings, so you should not be out of your seat until that time.
  5. ALWAYS come to class on time and prepared to learn – paper, textbook, scientific calculator, and writing utensils.  A good attitude makes the class more
    enjoyable for all of us!
  6. DO NOT touch the projector or SMART Board unless given permission by the teacher.
  7. Cheating, sleeping, and plagiarism are unacceptable in this class.
  8. Food, drinks, gum, and candy are not allowed in the classroom during labs.
  9. Follow all laboratory rules when engaged in a lab activity.