Transcript The answers are

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 …
Don’t fool around
during a lab.
Always point test tubes and
other items away from yourself
and others when heating.
Don’t eat or drink
while in the lab.
Keep hair and other
flammable objects
away from flames.
Don’t leave a flame
unattended.
Image: http://morrisonlabs.com/lab_safety.htm
Always wear safety
goggles when doing
an experiment
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 …
Always Don’t heat
closed
wear
safety containers.
goggles
during a
lab.
Don’t leave
materials laying
on the floor.
Don’t smell directly from a
container - WAFT.
Keep
your lab
area neat
and
clean.
Don’t place
Keep papers
lab
and other
materials
flammable
near the
objects away
edge of the
Clean
up
spills
from flames.
table.
immediately
Image: http://morrisonlabs.com/lab_safety.htm
Unplug
equipment
when not in
use.
Lab Equipment Challenge #1
T. Trimpe 2008 http://sciencespot.net/
Can you name these items?
The answers are …
Graduated
Cylinder
Triple-beam
Balance
Eyedropper
Beaker
Test Tube
Safety Goggles
Telescope
Lab Equipment Challenge #2
T. Trimpe 2008 http://sciencespot.net/
Can you name these items?
The answers are …
Vernier
Caliper
Flask
Microscope
Spring Scale
Test Tube
Mortar &
Pestle
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 point
the opening away from your face.