Lab Safety Exam

practical jokes; boisterous

Do not engage in _____ ______ or _____ conduct in the laboratory

run

Never _____ in the laboratory

personal audio or video equipment

The use of _____ _____ or _____ _____ is strictly prohibited in the laboratory

unauthorized experiments

The performace of _____ _____ is strictly forbidden

sit

Do not _____ on laboratory tables

Emergency

Know _____ procedures

supervision of the teacher

Never work in the laboratory without the _____ _____ _____ _____

precisely as directed

Always perform the experiment or work _____ _____ _____

report

Immediately _____ any spills, accidents, or injuries to your teacher

experimental setup

Never leave an _____ _____ unattended while in progress

falling object

Never atttempt to catch a _____ _____

hot glassware; apparatus

Be careful when handling _____ _____ and _____ in the laboratory

open end; substance

Never point the _____ _____ of a test containing a _____ at yourself or others

flammable solvents; flame

Do not use _____ _____ in the surrounding area when lighting a _____

Bunsen burners

Do not leave lit _____ _____ unattended

gas valves; water faucets

Turn off all heating apparatus, _____ _____, and _____ _____ when not in use

equipment; chemicals

Do not remove any _____ or _____ from the laboratory

coats; bags; designate areas

Store _____, _____, and other personal items in _____ _____

allergies/sensitivites

Notify your instructor of any _____/_____ you may have to particular chemicals

objects; small objects; spilled liquids

Keep the floor clear of all _____ (e.g., ice, _____ _____, _____ _____)

neat; unnecessary objects

Keep work area _____ and free of any _____ _____

laboratory workspace

Thoroughly clean your _____ _____ at the end of each laboratory session

sink drain

Clear all debris from the _____ _____

exits; emergency equipment

Never block access to _____ or _____ _____

damage; damaged equipment

Inspect all equipment for _____ (cracks, defects, etc.) prior to use - do not use _____ _____

damage; damaged equipment

Inspect wiring for _____ (exposed wires, broken connections, etc.) prior to use - do not use _____ _____

chemical waste; ask your teacher

Dispose of any _____ _____ as instructed. When in doubt _____ _____ _____

glassware; sharp

Dispose of broken _____ and other _____ objects as directed by your teacher

gloves; filter paper

Properly dispose of weigh boats, _____, _____ _____, and paper towls in the laboratory

lab equipment; location

Always clean your _____ _____ and store it in the proper _____ before leaving lab

goggles; apron

_____ and an _____ are required for the laboratory

plugs; cover; safety code

The goggles must have all _____, completely _____ the eyes, and have the correct _____ _____

lens

The _____ of the goggles cannot be cracked

full-length; chemical resistant

The apron must be a _____, _____ _____apron

sleeves; hanging

Make sure your shirt _____ are buttoned, not open and _____

eyes, mouth, and body

Keep your hands away from your face, _____, _____, and _____ while using chemicals

food and drink; chemical storage

_____ and _____, open or closed, should never be brought into the laboratory or _____ _____ area

eating and drinking

_____ and _____ in the lab is strictly prohibited

hands

Wash your _____ before leaving the lab room

label

Check the _____ to verify use of the correct substance

correct

Take only the _____ amount of chemicals needed

Weigh out

_____ _____ or remove only the amount of chemicals you need

Dispose

_____ of any excess in the appropriate waste container

not be returned

A chemical must _____ _____ _____ to the stock bottle after being placed into any other container

touch

Do not directly _____ any chemical with your hands

water; slowly

Add concentrated acid to _____, _____

water

Never add _____ to concentrated acid

taste; smell; instructions

Never touch, _____, or _____ any reagents, unless given specific _____

wafting method

Use the _____ _____ to detect the resence of odors when instructed as part of the experiment

mix

Never _____ or use chemicals not called for in labatory exercise

fume hood; chemcial vapors; dust

Use the _____ _____when there is a possiblity of release of toxic _____ _____, _____, or gases

spills; report

Clean up all _____ properly and promptly, and _____ the incident to your teacher

Dispose

_____ of chemicals as instructed

bottles

Never handle _____ that are wet or too heavy for you

equipment

Use _____ (glassware, Bunsen burner, etc.) in the correct way

goggles

These protect your eyes from splashes and flying materials

apron

This plastic item protects your body from splashes and spills

test tubes

These glass tubes (closed on one end) are used for holding chemicals and for chemical reactions

Beaker

This glass cup-like container is used for holding liquids and as a container for a reaction. The measurements are NOT accurate

Test tube clamp

This metal device is used to hold test tubes on a ring stand. It is important to keep any flame away from the tips

Crucible tongs

This device is used to cradle a hot crucible when being moved from the heat to a hot pad. The tips are used to remove the crucible lid. They are NOT for holding test tubes, beakers, or flasks

Bunsen Burner

The device is connected to the gas jets in the room, this is used for heating various substances in very controlled condition. The tupe used this year may vary

Iron ring

This metal ring is used with a ring stand (the rod at your lab station to support a beaker, flask, other approved heating equipment

clay triangle

this metal and ceramic triangle is placed on top of an iron ring to support a crucible during direct heating from a Bunsen burner

Filter paper

This is a flat paper disk used for separating solid from liquid

Test tube holder

This metal device is used when heating the contents of a test tube in a flame

Flask

This glass container used for holding liquids and can be used as the container for a reaction. The measurements are NOT accurate

Glass stirring rod

This long piece of glass is used for stirring solutions

Spatula

Also called a scoopula, this device is used to transfer solid chemicals from one container to another

Forcepts/Tweezers

This metal device is used to pick up solid chemicals to transfer from one container to another since chemicals should never be carried by hand

Funnel

This item can be glass or plastic. It is used to transfer liquids from one container to another

Wire guaze

This is a metal screen with a center of heat-resistant material placed on top of an iron ring to allow even heating of a beaker or flask from a Bunsen burner

Hot Pad

This cork or fibrous mat is used to place a hot beaker or flask on the table without causing any burning

Watch glass

This is a round glass (like a big contact lens) that can be used as the cover for a beaker or flask or to hold small samples of substances

Evaporating Dish

This is a ceramic bowl (with a pour spout) used with a Bunsen burner or hot plate to slowly boil away liquids leaving solids behind

test tube rack

This is a wooden or plastic stand used for keeping test tubes upright during experiments. These come in various forms.

Graduated Cylinder

This is a glass or plastic cylinder used to meausre out the volume of a liquid substance. Reactions should never be carried out in this device unless specifically instructed to do so

Test tube Brush

When used in combination with soap and water, this is used to wash equipment before and after an experiment

Weight Boat

This is a plastic dish for holding solid substances when being weighed on a balance or to carry solids chemicals to your lab station

Mortar and Pestal

This is a heavy ceramic bowl and pounding rod used to grind large solid materials into fine powder

Well plate

This plastic tray is used to carry out small-scale reactions

Crucible and Lid

This ceramic container (with lid) is for intense heating of substances under controlled conditions

Thermometer

This is used for recording the temperature of any substance(s) before, during or after a reaction

Balance

These are used for finding the mass of objects or substances. They can be manual or electronic. Always carry this with two hands

First Aid Kit

This is used for the treatment of injuries such as small cut

Hot Plate

This is used for heating substance in beakers, flasks or other approved containers

Fire Blanket

This is often used with the “Stop, drop, and roll” method for putting out a fire

Eye wash station

This is used when chemicals or foreign objects that get in the eyes or face

Safety shower

This is used when a lage amounts of chemicals gets on a person. (Small amounts can be rinsed at the sink.)

Fire extinguisher

This is used for putting out a fire on an inanimate object

goggles; aprons

Your _____ and _____ are primary in personal safety

Z87

Goggles must have the _____ code

four plugs; plugs

Goggles have all _____ _____- ventilation is not stopped by the _____

cracked

Goggles must not have a _____ lens

start; permission

Goggles must be worn from the _____ of the lab until your teachers gives you _____ to remove them.

name

Goggles must have your _____ on the side

health; safety; own

For _____ and _____ reasons you must wear your _____ goggles

ripped

Aprons must not be _____

tied; bib; body

Aprons must be _____ completely including the _____ and _____ sections

worn; permission

Aprons must be _____ from the start of the lab until your teacher gives you _____ to remove them