Lab Safety Test

Flush with cold water.
Cuts and bruises
Treat as directed by instructions included in your first aid kit.
Electric shock
Provide person with fresh air; have person recline in a position such that the head is lower than the body; if necessary, provide artificial respiration.
Fainting or collapse
Provide person with fresh air; have person recline in a position such that the head is lower than the body; if necessary, provide artificial respiration.
Turn off all flames and gas jets; wrap person in fire blanket; use fire extinguisher to put out fire. Do not use water to extinguish fire, as water may react with the burning substance and intensify the fire.
Foreign matter in eyes
Flush with plenty of water; use eye bath for 15 minutes
Note the suspected poisoning agent; contact your teacher for antidote; if necessary, call poison control center.
Severe bleeding
Apply pressure or a compress directly to the wound and get medical attention immediately.
Spills, general hydrogen acid burns
Wash area with plenty of water; use safety shower; use sodium carbonate, NaHCO3 (baking soda).
Base burns
Use boric acid, H3BO3.
The physics laboratory is to be used for _______ work.
Never bring ____,_______, or ______ into the laboratory. Never ______ anything in the laboratory. Never remove lab _______ from the laboratory, and never use this _______ for eating or drinking.
food, beverages, or make-up. taste. glassware, glassware
Do not preform experiments that are __________. Always obtain your teacher’s permission before beginning an activity.
Study your laboratory ________ before you come to the lab. If you are in doubt about any procedure, ask your teacher.
Keep work areas and the floor around you _____, ___, and free of ______
clean, dry, clutter
Use the safety equipment provided for you. Know the ______ of the fire extinguisher, safety shower, fire blanket, eyewash station, and first-aid kit
______ any accident, injury, or incorrect procedure to your teacher at once.
Keep all materials away from open _____. When using any heating element, tie back long hair and loose clothing. If a fire should break out in the lab, or if your clothing should catch fire, smother it with a blanket or coat or use a fire extinguisher. NEVER RUN.
Handle ____, _________, or _________ substance only under the direction of your teacher. If you spill acid or another corrosive chemical, wash it off with water immediately.
Toxic, combustible, or radioactive
Place broken glass and solid substances in designated ________. Keep ________ water material out of the sink.
Containers, Insoluble
Use ________ equipment only under the supervision of your teacher. Be sure your teacher checks _______ circuits before you activate them. Do not handle _______ equipment with wet hands or when you are standing in damp areas.
electrical, electric, electric
When your investigation is _________, be sure to turn off the water and gas and disconnect electrical connections. Clean your work area. Return all materials and apparatus to their proper places. Wash your hands thoroughly after working in the laboratory.
Glass or plastic; common sizes are 50, 100, 250, 400 mL; used to hold volumes of liquid; glass can be heated
Clay triangle
Wire frame with porcelain supports; supports a crucible
Crucible tongs
Iron or nickel; used to pick up and hold small items
Dropper pipet
Glass tip with rubber bulb; used to transfer small volumes of liquid
Erlenmeyer flask
Glass common sizes are 100, 250 mL; may be heated
Evaporating dish
Porcelain; used to contain small volumes of liquid being evaporated
Metal; used to hold or pick up small objects
Glass or plastic; used to separate solids form liquids
Gas burner
Constructed of metal; connected to a gas supply with rubber tubing; used to heat chemicals
Graduated cylinder
Glass or plastic; common sizes 10,25, 100 mL; used to measure solution volumes; more accurate than beaker
Plastic wash bottle
flexible plastic; squeeze sides to dispense water
Platform balance
Also known as triple beam balancel used to find mass
Ring stand
Metal rod fixed upright in a heavy metal base; has many uses as a support
Rubber tubing
Used to connect apparatus so as to transfer liquids or gases
Safety goggles
Plastic; must be worn at all times while working in the laboratory to protect the eyes
Metal; used to transfer solid chemicals
Stirring rod
glass; used to stir
Test tube brush
Bristles with wire handle; used to scrub inside test tube
Test tube clamp
Attaches test tube to ring stand
Test tube holder
Spring metal; used to hold test tubes
Test tube rack
Wood or plastic; holds test tubes in vertical position
Test tubes
Glass; various sizes; used to hold small amounts of liquids; may be heated
Mercury or alcohol in glass; used to measure temperature
Watch glass
Glass; used to cover an evaporating dish or beaker
Wire gauze
Used to spread the heat of a burner flame
Disposal Alert
Appears when care must be taken to dispose of materials properly
Animal Safety
Appears whenever live animals are studied and the safety of the animals and the students must be ensured
Biological Hazard
Appears when there is danger involving bacteria, fungi, or protists
Radioactive Safety
Appears when radioactive materials are used.
Open Flame Alert
Appears when the use of an open flame could cause a fire or an explosion
Clothing Protection Safety
Appears when substances used could stain or burn clothing
Thermal Safety
Appears as a reminder to use caution when handling hot objects
Fire Safety
Appears when care should be taken around open flames
Sharp Object Safety
Appears when a danger of cuts or punctures caused by the use of sharp objects exists
Explosion Safety
Appears when the misuse of chemicals could cause an explosion
Fume Safety
Appears when chemicals or chemical reactions could cause dangerous fumes
Eye Safety
Appears when a danger to the eyes exists. Safety goggles should be worn when this symbol appears
Electrical Safety
Appears when care should be taken when using electrical equipment
Poison Safety
Appears when poisonous substances are used
Plant Safety
Appears when poisonous plants or plants with thorns are handled
Chemical Safety
Appears when chemicals used can cause burns or are poisonous if absorbed through the skin
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