199712
Beschreibung
Karteikarten von Polkadot123456, aktualisiert more than 1 year ago
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Erstellt von Polkadot123456
vor etwa 11 Jahre
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| Frage | Antworten |
| Safety Goggles | Always wear your safety goggles to protect your eyes in any activity involving chemicals, flames or heating, or the possibility of broken glassware. |
| Lab Apron | Wear a laboratory apron to protect your skin and clothing from damage. |
| Breakage | You are working with materials that may be breakable, such as glass containers, glass tubing, thermometers, or funnels. Handle breakable materials with care. Do not touch broken glassware. |
| Heat-resistant Gloves | Use an oven mitt or other hand protection when handling hot materials. Hot plates, hot glassware, or hot water can cause burns. Do not touch hot objects with your bare hands. |
| Heating | Use a clamp or tongs to pick up hot glassware. Do not touch hot objects with your bare hands. |
| Sharp Object | Pointed-tip scissors, scapels, knives, needles, pins, or tacks are sharp. They can cut or puncture your skin. Always direct a sharp edge or point away from yourself and others. Use sharp instruments only as instructed. |
| Electric shock | Avoid the possibility of electric shock. Never use electrical equipment around water, or when the equipment is wet or your hands are wet. Be sure cords are untangled and cannot trip anyone. Disconnect the equipment when it is not in use. |
| Corrosive Chemical | You are working with an acid or another corrosive chemical. Avoid getting in on your skin or clothing, or in your eyes. Do not inhale the vapors. Wash your hands when you are finished with the activity. |
| Poison | Do not let any poisonous chemical come in contact with your skin, and do not inhale its vapors. Wash your hands when you are finished with the activity. |
| Physical Safety | When an experiment involves physical activity, take precautions to avoid injuring yourself or others. Follow instructions from your teacher. Alert your teacher if there is any reason you should not participate in the activity. |
| Animal Safety | Treat live animals with care to avoid harming the animals or yourself. Working with animal parts or preserved animals also requires caution. Wash your hands when you are finished with the activity. |
| Plant Safety | Handle plants in the laboratory or during field work only as directed by your teacher. If you are allergic to certain plants, tell your teacher before doing an activity in which those plants are used. Avoid touching harmful plants suck as poison ivy, poison oak, or poison sumac, or plants with thorns. Wash your hands when you are finished with the activity. |
| Flames | You may be working with flames from a lab burner, candle, or matches. Tie back loose hair and clothing. Follow instructions from your teacher about lighting and extinguishing flames. |
| No Flames | Flammable materials may be present. Make sure there are no flames, sparks, or other exposed heat sources present. |
| Fumes | When poisonous or unpleasant vapors may be involved, work in a ventilated area. Avoid inhaling vapors directly. Only test an odor when directed to do so by your teacher, and use a wafting motion to direct to vapor toward your nose. |
| Disposal | Chemicals and other laboratory materials used in the activity must be disposed of safely. Follow the instructions from your teacher. |
| Hand Washing | Wash your hands thoroughly when finished with the activity. Use anribacterial soap and warm water. Lather both sides of your hands and between your fingers. |
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