Chem Lab Safety and Equipment

Bunsen Burner

used for heating and exposing items to flame

Flint Lighter

starts bunson burner

Ring Clamp

used to hold rings

Wire gauze

placed on a ring of the ring stand

to hold objects such as beakers or flasks.

test tube holder

used to hold test tubes

tongs

holds many different things, usually hot objects

crucible

used to heat small substances to

very high temperatures.

evaporating dish

used to heat and evaporate liquids.

graduated cylinder

is used to precisely

measure the volume of liquids.

beaker and measurments

The graduations are for estimation and should

not be used for exact measurements of volume

test tube

used to hold, mix, and heat liquids

during experiments.

watch glass

used to hold solids when being weighed

Holding 250 mL of water ___________________

beaker

2. Measuring 12.5 mL of a liquid _________________

gratuated cylindar

3. Evaporating water from an aqueous solution containing a precipitate (a solid that

forms when two solutions are mixed)________________

evaporating dish (fill in blank)

4. Determining the mass of a solid ______________________

scale

5. Holding a test tube upright _________________to be able to see the whole bottle

test tube rack

6. Transporting a hot crucible from one location to another ____________________

tongs

7. Heating something in the lab ____________________

burnasn burner

8. Mixing two liquids together ______________________

erlenmeyer flask

9. Suspending a beaker over a burner ______________________

wire gauze

Heating a test tube over a burner ________________________

test tube holder

When and why should you wear safety goggles?

In teh lab during an experiment

What should you do if a chemical spills on your hands

wash with water and alert teacher

What should you do if you get a small cut from a piece of glassware?

alter teacher and address wound

. What should you do if a chemical splashes into your eyes

have parthner walk you over to eye rinsing sink and clea out eye. Alert teacher

Why is it necessary to report all accidents to the teacher?

so she is aware and can asset the sitution

Discuss the dangers of putting food, pop, coffee, pencils, erasers, or similar things

in your mouth in this classroom or laboratory?

can cause harm to experiment and self

If you have long hair or loose clothing, what should you do before working in the

lab?

tie your hair back

How do you heat substances safely in a test tube?

With tongs over the burner

What do you do with insoluble waste materials from an experiment?

disgaurd them in the ____________

. What do you do with broken glass?

alert teacher to clean up and place glass in designated bin

3 things to avoid problems in the lab

1. read directions

2. ask questions

3. use proper equipment with glassware

Utility Clamp

used to hold round laboratory equipment or holding tubes into place

clay triangle

supports a crucible on a bunsen burner

clamp or ring stand

used to hold items securely in the lab