lab safety challenge #1 t. trimpe 2008
TRANSCRIPT
Lab Safety Challenge #1
T. Trimpe 2008 http://sciencespot.net/
What’s wrong? Identify 6 different safety concerns shown in the picture below.
Image: http://morrisonlabs.com/lab_safety.htm
The answers are …
Image: http://morrisonlabs.com/lab_safety.htm
Don’t eat or drink while in the lab.
Don’t fool around during a lab.
Always wear safety goggles when doing
an experiment
Always point test tubes and other items away from yourself
and others when heating.
Keep hair and other flammable objects away from flames.
Don’t leave a flame unattended.
Lab Safety Challenge #2
T. Trimpe 2008 http://sciencespot.net/
What’s wrong? Identify 9 different safety concerns shown in the picture below.
Image: http://morrisonlabs.com/lab_safety.htm
The answers are …
Image: http://morrisonlabs.com/lab_safety.htm
Always wear safety
goggles during a
lab.
Don’t leave materials laying
on the floor.Clean up spills
immediately
Don’t heat closed
containers.Keep
your lab area neat
and clean.
Unplug equipment when not in
use.
Don’t place lab
materials near the
edge of the table.
Keep papers and other flammable
objects away from flames.
Don’t smell directly from a container - WAFT.
Lab Equipment Challenge #1
T. Trimpe 2008 http://sciencespot.net/
Can you name these items?
The answers are …
Triple-beam Balance
Beaker
Safety Goggles Telescope
Test Tube
Eyedropper
Graduated Cylinder
Lab Equipment Challenge #2
T. Trimpe 2008 http://sciencespot.net/
Can you name these items?
The answers are …
Vernier Caliper Flask Spring Scale
Mortar & Pestle
Microscope Test Tube
Challenge 3
L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/
Which piece of lab equipment would you use to measure exactly 25 mL of water?
Which piece of lab equipment would you use to measure exactly 25 mL of water?
Challenge 4
L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/
Which piece of lab equipment would you use to measure approximately 200 mL of water?
Which piece of lab equipment would you use to measure approximately 200 mL of water?
Challenge 5
L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/
Briefly describe how you would use these objects to heat the contents of a test tube.
Briefly describe how you would use these objects to heat the contents of a test tube.
First, put on safety goggles and lab apron. Tie back long hair and check your shirt sleeves.
Second, light alcohol burner with match.
Third, remove test tube from rack and hold test tube with test tube clamp.
Finally, when heating test tube, hold with clamp, place bottom of test tube over flame, and pointthe opening away from your face.