Equipment Needed:
Place on the bench each item which the student is asked to draw:
These are:
Beaker
Graduated Cylinder
Bunsen Burner
Striker for Bunsen Burner
Pipet
Pipet Safety Bulb
Test Tube
Test Tube Clamp
Ring Stand
Utility Clamp
Ring
Wire Ceramic Gauze
Ceramic Triangle
Crucible
Crucible Lid
Erlenmeyer Flask
Chemicals Needed:
Special Precautions:
Suggested Instructions:
Demo lighting the Bunsen Burner and tell them all the parts.
Go over why one uses ink and why a single line cross-out for correction.
Lables
Use the following sheets for labling of the
equipment you set out. Place each
sheet on the lab bench and the appropriate equipment on the sheet.
Leave about 6
inches between the sheets.
Beaker
Graduated Cylinder
Bunsen Burner
Striker for Bunsen Burner
Pipet
Pipet Safety Bulb
Test Tube
Test Tube Clamp
Ring Stand
Utility Clamp
Ring
Wire Ceramic Gauze
Ceramic Triangle
Crucible
Crucible Lid
Erlenmeyer Flask
No credit for this lab but is required before continuing.
____________Answer to questions follow___________________
Name ______________________________
Identifying Laboratory Equipment
Purpose: The purpose of this exercise. . .
Look over the drawings and see if they approximate the equipment.
Check the Bunsen burner to see if the items below are labled.
Use of the Bunsen Burner:. . .
1) Label the gas cut-off valve. Lable needed
2) Label the valve used to adjust the gas flow. Lable needed
3) For the above valves, which one do you turn on first?
Cut-off valve
Which one do you turn off first when finished?
Gas Flow Valve
4) Label the air-flow valve. Lable needed
5) Label the burner barrel. Lable needed
6) Label the hose attachment. Lable needed
Special instructions . . .
For all . . .
Laboratory Reports are to be done in ink:. . .
1) If you were involved in laboratory work which related
to such things as
certification, measurements for legal purposes and regulations, why
would it be
important to follow the above rule?
You should never hide errors, only correct
them. Often important with
regulations. Failure to do so may lead to a violation of the
law.
2) If you make an error in recording a number, what do you do?
Use a single cross-out line an put the correction next to the error
3) What do you do if the corrected value is found to be in error?
Repeat the proceedure.
a reminder:
Special Notice on Boiling Stones
Do Not Throw the Boiling Stones . . .
4) Where do you get rid of used boiling stones?
In the solid trash
________________________________________________________________
End of Grading Key