Laboratory Skills / Techniques
Demonstration Guide
Name__________________
Directions: Write the important techniques, tips, and safety reminders for each of the
following laboratory techniques.
1) Taring a balance
2) Analytical vs. top loader balance
3) Using a Pipette / Buret
a. Meniscus in any device
4) Pouring into a smaller container
a. Funnel for liquids
b. Paper for solids
5) Heating a test tube
6) Wafting a gas
7) Using the centrifuge
a. Balanced Load
8) What is a dessicator?
9) Lighting and Using a Bunsen Burner
a. Crucible tongs, beaker tongs, test tube tongs
b. Hot Glass vs Cold Glass
10) Cleaning Glassware and Benches
a. Alconox Usage
b. Alconox vs. Hand Soap
c. The importance of rinsing well.
11) Always add acid to water when diluting
Lab Safety Demonstration Guide.
Name________________________
Directions: Locate and describe the function and procedure of the following pieces of
safety equipment
1. Fire Blanket
2. Overhead Shower
3. Eyewash Stations
4. Fire Extinguisher
a. P.A.S.S
5. Spill Responses
a. Acids
i. Use Acid neutralizer
b. Alkali Metals (lithium, sodium, magnesium, potassium)
i. Smother with dry sand or cover with contents from a Class
“D” fire extinguisher. Use of a Class “D” fire extinguisher
is the preferred extinguishing method.
ii. Avoid contact with water.
c. White or Yellow Phosphorus
i. Blanket with wet sand or wet absorbent.
d. Bromine
i. Neutralize spill with a 5% solution of sodium thiosulfate.
ii. Absorb with inert absorbent material.
6. Goggle Cabinet
Lab Safety Rules:
1. Never work in lab alone (or without Mr. Clever)
2. Listen to Instructions, follow directions.
3. Read and Listen first, then act.
4. Ask questions if unsure
5. Wear goggles until all glassware / chemicals are put away in entire room.
6. Appropriate Clothing should be worn
a. Long pants to the shoe
b. Close toed shoes
c. Highly flammable sweaters / sweatpants
7. Contact Lenses are a risk
8. Remove all jewelry
9. Long hair is to be tied in pony tail
10. Wash hands before and after lab.
11. No practical jokes / horseplay during lab (or class for that matter)
12. No eating / drinking / chewing gum unless instructed in lab
13. Keep your work area clean and organized
14. Notify teacher if any accidents happen immediately
I, _____________________________(print name), have actively participated and
listened to the laboratory safety rules and techniques. I understand that failure to comply
with such rules and techniques would increase the chance of injury to myself and all
others in the classroom. I further recognize that failure to comply with such rules and
techniques could result in loss of points for an assignment, removal from lab
environment, or removal from this chemistry course completely.
Students Signature______________________
Date_______________
Parent / Guardian ______________________
Date_______________