Chemistry Honors Lab Safety Quiz

What must you always do before a lab?

make sure you read the directions and safety information for each lab thoroughly

What must you do with your work surface?

Clear it of any unnecessary materials, including books and backpacks

Where must you put bags and backpacks?

Under desks or counters where they wont be a tripping hazard

What is not allowed in the lab area?

Food and drinks, including water bottles. They must be put away

What must you do before leaving or before handling any food or drinking

wash your hands

What must you avoid wearing

Loose clothing or anything that could cause injury:

scarves

dangling jewelry

large jackets

What must be WORN AT ALL TIMES

googles

What footwear must you wear?

closed-toed shoes in case something falls on your feet

What must we do with long hair?

Tie it back

Where must you wear your goggles?

On your eyes

Dont touch your ___ during a lab

eyes

What must you do if a chemical spills on your skin?

Tell the teacher and wash immediately with water. If the spill is too big to wash in the sink, use the safety shower

What must you do if a chemical splashes in your eyes?

flush them with running water from the eye wash for 15-20 minutes

When must you always wash your hands?

After every lab

What must you do before using a chemical

Read all labels

Never _____ chemicals unless instructed to do so by the teacher

touch, taste, smell, or mix

Dont pour chemicals ____ unless instructed to by the teacher

down the drain

Dont put chemicals back into the _____

original stock container as they may be contaminated once the lab is used, so dispose them as instructed

Broken glass should be cleaned up with a ____

broom and placed in the broken glass container, not the trash

When lighting a Bunsen burner., ____

always light the match/lighter before turning on the gas

when removing an electrical plug from the socket, ____

pull the plug, not the electrical cord

tell the teacher about any ____

accident, even if it’s small

What activities are not allowed?

• Transporting dangerous chemicals

• Tasting chemicals or unknown materials

• Drinking or eating from lab containers

• Taking chemicals home

• Misusing any chemical equipment – this includes squirting water at another person

• Unauthorized experiments

• Any other unsafe behavior

fire extinguisher

puts out fire by releasing CO2. Only used for emergencies

goggles

worn over the eyes to protect them from flying objects or chemical splashes

wash bottle

squeeze the bottle to squirt water, which can be used to rinse glassware or add water to a solution

Beaker

its wide opening and lip make it useful for mixing and pouring substances that are not specific volumes

Erlenmeyer flask

its larger base and thin neck allow scientists to swirl solutions around without spilling or tipping over

Graduated cyllinger

has many graduations (lines) that provide a more specific measurement of volume

test tube

holds small amounts of chemicals to heat them up or perform a reaction

test tube clamp

holds a single test tube, often over a fire so your fingers arent burned

test tube rack

holds many (12) test tubes at one so they dont fall or spill chemicals

bunsen burner

has a hot blue flame for heating and combustion

hot plate

has a flat surface and uses electricity to uniformly heat materials

Tongs

grips and lifts objects such as beakers, especially when they’re hot

Evaporating dish

can separate liquids and solids by evaporating the liquid out of a solution

iron ring

attached to a ring stand and can hold equipment in place above the table

ring stand

its tall pole can hold many types of clamps so a scientist does not have to hold them by hand

electronic balance

sows a digital reading of the mass of a substance

triple beam balance

uses three beams to measure mass very precisely. You must manipulate each beam by hand

Weigh boat

holds powdered, grainy, or liquid substances so they can be weighed

Funnel

Used to pour liquids into containers with small openings or to hold filter paper

micropipet

Used to transfer very small and accurate amounts of liquid from one container to another

scoopula

used to transfer powdered or grainy solids from one container to another

glass stir rod

used to stir things together

thermometer

measures the temperature of a substance

watch glass

keeps liquids in a beaker from splattering, like the lid