Some schools provide inexpensive headphones for students to use in the lab. Place headphones in numbered Zip Lock bags that match the student roster. I label them with my name as well, just in case they get left in the lab. Have 2 students carry the headphone baskets to the lab and place them on desks in the lab. When students enter the lab, they take their headphones before going to their sear.
Before we leave, I call each table to return their headphones into the correct basket before lining up. Write the website and password on the whiteboard so students can see it from anywhere in the room. You may even want to write the tasks they will be completing once on the site.
Displaying the websites and passwords makes for a smoother transition. Students can login at their own pace and begin working right away. For classroom computers that we use during math and reading centers, I use these editable forms to display the website and tasks. One tricky area of computer lab management, especially for younger students, can be logging in to their device. Use a student login card for managing passwords and helping students get logged in quickly. Most schools require students to first login to their personal account on school computers.
Students then need to know additional passwords for the various sites they use in class as well as testing and assessment sites. This can add up to a lot for students to remember. Make the most of their time by using editable login cards with all of the passwords students use on a regular basis. Using login cards saves a lot of time and makes it quick and easy for students to get in to the site they need to use.
Teach students how to troubleshoot common issue they may encounter during the first weeks of school. Give students solutions to try first the computer freezing, difficulty logging in, and how to check for user errors. Making sure the cap lock is not on, programs not opening, and the mouse or speakers not working are also common issues that students may have.
Create a trouble shooting list students can use to try to solve problems first before you call your support team. You can find the computer lab management system I use here with all of the editable forms and displays featured in this post. Be sure to pin it and share with your teacher friends!
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David Irwin If a network is not secure, how valuable is it? Get it now. Sandals or perforated shoes are not acceptable, as feet are not protected from spills or falling objects. There are several different types of hoods in Cole Science Center. Each of these is discussed briefly below. The appropriate hood must be used. Use of the wrong type of hood could increase the potential hazard. All hoods are tested annually to verify proper performance.
These hoods, which are designed to protect the user, are appropriate for working with flammables, acids, bases, and organic solvents; they should be operated with the sash lowered to the indicated point red arrow. Working with the sash lowered to this point creates the necessary draw air flow into the hood , and adds protection from splashes or explosions.
Laminar Flow hoods are used to protect microbiological work from contamination; they contain no UV lamp source. These are also called clean benches, and are used for work with non-hazardous materials when very clean environments are needed for high purity work. The operator sits downstream of the materials and airflow; therefore, toxic, infectious and hazardous materials should never be used in laminar flow hoods.
Biological safety cabinets a. These hoods contain an ultraviolet lamp source and HEPA filters which are These types of hoods do not protect the user from hazardous vapors.
At this time, Hampshire does not have a hood that protects from chemical vapors while providing a sterile hood environment. The voltage and current used in laboratories are potentially lethal. The Lab Manager should be notified if unsafe electrical situations exist e.
Lockout prevents equipment from being turned on or operated while being repaired or inspected; equipment cannot be restarted until repairs are complete and the lockout removed. Only trained individuals should perform equipment repair or modification. Electrophoresis is a lab technique that presents a potential hazard as the user manipulates wires with high voltage. When working with electrophoresis, the following precautions must always be followed:. The use of stationary machine tools and powered hand tools is subject to the following requirements.
Source Reduction Use the least hazardous chemical that will serve the intended purpose. Design experiments to use the minimum amount of hazardous chemicals required. Always close containers when not in use. Minimize the surface area of open containers e. Engineering Controls Use fume hoods whenever possible. Do not use fume hoods for long term storage of equipment or chemicals.
Avoid the release of hazardous chemicals in rooms with no ventilation system or with re-circulating air systems. Use equipment and glassware only for their designed purposes.
Never use damaged equipment or glassware. If operations must be left unattended, provide for containment of hazardous chemicals in the event of equipment failure.
Protective Equipment Minimum levels of protective equipment are described in Section 4. The storage or consumption of food or beverages, application of make-up, and smoking are prohibited in all laboratory areas and hazardous chemical storage areas.
Avoid "routine" exposures. Do not taste and avoid smelling any hazardous chemicals. Never mouth pipette. Wash hands immediately upon contamination, after handling hazardous chemicals, and before leaving the laboratory. Long hair and loose clothing must be confined when working in the laboratory. A soiled or contaminated lab coat should be placed in a plastic bag and exchanged for a clean one; contact the Lab Manager. Shoes must be worn at all times in Cole Science Center.
Closed-toe shoes must be worn when working with hazardous chemicals, biological materials, or when moving heavy objects. Please note that even if you are not actively working on a project yourself but are inside the lab, you are still at risk from the activities of others around you.
Therefore, all safety precautions still apply. Clean up includes: remove and properly dispose of all hazardous materials from the laboratory or project area, and any shared storage units, refrigerators, stock rooms, chemical cabinets, and waste collection areas clean and decontaminate all laboratory equipment, hoods, bench tops, cabinets, and shelves These procedures are intended to reduce the number of unidentified and unwanted hazardous materials and wastes in the laboratory, thereby reducing disposal costs, and providing a clean and safe lab for work.
SDS contains detailed chemical information including: the contents of a given product physical, chemical, and toxicological hazards associated with that material appropriate personal protective equipment and clothing necessary e. Safety spectacles, with side shields 2. Goggles, flexible fit, regular ventilation 3.
Goggles, flexible fit, hooded ventilation 4. Goggles, rigid body, cushioned fit 5. Face shield, plastic window 6. Chipping goggles, eyecup type Wearing contact lenses is highly discouraged when working with or near chemicals, particularly solvents. Use of strong acids or bases outside pH range of 2 - Use of corrosive gases. Use of potentially explosive or water reactive chemicals as defined in Section 5. Use of acutely toxic chemicals as defined in Section 5.
Use of cryogenic liquids when there is a risk of pressure buildup or splash or particle hazard. Use of other hazardous chemicals in liquid form. Any activity when there is an explosion or implosion hazard. Operations using or generating liquid or fine particulate chemicals for which splash goggles are not required. Chipping, cutting, and grinding activities.
When installing or removing regulators on gas cylinders. Lab coats must be worn in the laboratory when handling: any quantity of select carcinogens see 5. Before using a fume hood observe the following precautions. Remove any bulky items in the hood as these will prevent proper airflow. Turn the hood on and confirm that the hood is drawing air a tissue or kimwipe held at the opening should be gently pulled into the hood area.
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