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Independence Middle School Science Safety. General Safety Rules. Listen to, or read, instructions carefully before attempting to do anything in the lab area. Always listen, or read, carefully all the teacher’s instructions.
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General Safety Rules • Listen to, or read, instructions carefully before attempting to do anything in the lab area. • Always listen, or read, carefully all the teacher’s instructions. • Immediately notify your teacher if any spills, cuts, or accidents occur. • Never “horse around” or play practical jokes in the laboratory. • Science supply/storage areas are off limits to all students.
General Safety Rules • Keep your work area uncluttered. Take to the lab station only what is necessary. • During lab work, keep your hands away from your face. • Never put anything into your mouth during a lab experiment (this includes gum). • After handling chemicals, always wash your hands with soap and water. • Nothing should be removed from the lab areas without written consent from the teacher.
General Safety Rules • Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter (this means goggles on your face, not your neck or head). • Know the location, and how to use,the fire extinguisher, fire blanket, and eyewash station. • Keep long hair tied back . • Remove jewelry from your hands, wrists, and neck. • Don’t let long sleeves dangle in your work area. • Avoid wearing open toed shoes during lab period. • Clean up your lab area, and equipment, at the end of the laboratory period.
Glass Safety • Chipped or cracked glassware should not be used. • When pouring liquids into glassware, make sure the container you are pouring into is resting on a table at least 6 inches from the edge. • If a piece of glassware gets broken, do not try to clean it up by yourself. Let the teacher know! • Do not place hot glassware in water. Rapid cooling may make it shatter. • When mercury thermometers are broken, mercury must not be touched. Notify the instructor immediately.
Chemical Safety • Consider ALL chemicals used in the science room to be dangerous. • Never mix chemicals together unless you are told to do so (and then only in the manner specified). • Never taste any chemicals (or use utensils to hold or store food and drink). • Do not put your nose over a chemical container and inhale the fumes, waft the fumes toward your nose with one hand. • Chemical spills on skin or clothing should be rinsed with large amounts of water.
Chemical Safety • Never pour water into a concentrated acid. Acid should be poured slowly into water. • Follow the instructions of your teacher when disposing of all chemicals. • Chemicals, liquid or solid, should not be rinsed down the drain unless instructed by the teacher. • Wash your hands after handling hazardous chemicals. • Never return unused chemicals to the storage container without the teacher’s permission. • All spills must be cleaned up appropriately (notify your teacher immediately).
Heating Safety • Let burners and hotplates cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to, not touching, them. • Use tongs and/or protective gloves to handle hot objects. • Heat glassware by placing it on a wire gauze platform on a ring stand. Do not hold it in yourhand. • Never reach across an open flame or burner. • Always point the top ends of test tubes that are being heated away from people • Never look inside an open container while it is heating and never heat a closed container.
Heating Safety • Only glassware that is thoroughly dry should be heated. • When heating a test tube, use tongs and move it around slowly over the flame to distribute the heat evenly. • Never leave a burner or hotplate unattended. • All used matches should go into a glass container until they have cooled; never into a trash can.
Electrical Safety • Never poke anything into electrical outlets. • Never use equipment with frayed wires. • Unplug cords by pulling the plug and not the cord. • Do not use electrical equipment around water. • Be sure your hands and your lab area are dry before using electrical equipment.
Electrical Safety • Electrical cords should be used where no one can trip on them or get caught in them. • Unplug all electrical equipment at the end of the lab period.
Safety While Dissecting • Disposable gloves should be worn when working with animal specimens. • Use scalpels, scissors and other sharp instruments only as instructed. When cutting with a scalpel or knife ALWAYS cut away from your body. Always carry with tips and points pointing down and away. Never try to catch falling sharp instruments. • Wash your hands after working with animal specimens.