Science 9
Section 1.1 Notes
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Section 1.1 Notes
Safety in the Science Classroom
(Text Pages 8 – 15)
Key Terms:
WHMIS
MSDS (notes)
Learning Objectives:
 Know what WHMIS means and be able to identify the WHMIS symbols
 Know what an MSDS is and have a general understanding of the type of information it contains.
 Be familiar with important lab safety rules.
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Portfolio Items:
 Worksheet #1 – Combining Chemicals
 Worksheet #2 – Lab Safety
 Worksheet #3 – Using an MSDS
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Classroom and Lab Safety
 There is a Lab Safety list attached at the end of this handout. Review this and answer the True /
False questions provided.
 We will have a True/False quiz on the safety rules! You must pass this in order to complete the next
lab activity.
WHMIS
WHMIS stands for _______________________________________________________________
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Science 9
Section 1.1 Notes
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 WHMIS is useful because you can ______________________________________________________
_______________________________________________________ a chemical substance presents. .
MSDS
MSDS stands for ____________________________________________________________________
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 An MSDS gives us much more information! This helps people working with chemicals to remain safe
on the job.
 Each chemical substance has an MSDS. This tells you important things like:
o
_
o
_
o
_
o
_
o
_
 WHMIS only tells you HOW a controlled product is harmful. MSDS tells you specific information
about the controlled product. .
**Complete Worksheet #3 – Using an MSDS**
Science 9
Section 1.1 Notes
Appendix A: Lab Safety Rules
General Safety
Absolutely no eating or drinking in the lab
Always wash your hands after being in the chemistry lab
Always pull back loose hair
Tuck in loose clothing
Remove loose jewelry
Wear Safety Clothing as instructed.
Protect your body: wear a lab apron
Protect your eyes: wear goggles
Protect your hands: wear gloves (only as instructed)
Read ALL Directions
Follow them exactly as described! Don’t do anything without instructions!
Only use the amount of chemical indicated in your lab activity instructions.
Dealing with spills
ASK how to clean the spill. Some chemicals are dangerous to touch.
If it gets on your hands or clothes, rinse and wash with soap.
DO NOT pour in sink or Garbage. Ask what to do!
First Aid
If there is an accident, it report to the teacher immediately!
If chemicals get in your eyes: Use eye wash station (by door) for 15 minutes!
If you spill a dangerous liquid chemical on yourself: Use the shower
Know where the first aid kit and fire extinguisher are located
Fire blanket location
Fire and Heat Safety
Do not heat anything until instructed to do so
When using a burner:
o Never touch a burner unless told to do so.
o Do not leave a burner running unattended!
o Do not reach across the flame
When heating materials:
o Always point glassware away from yourself and others
o Always heat OPEN containers. Not closed containers with lids.
o Use tongs, gloves and clamps when heating. Not your bare hands!
Chemical Safety
Never taste, touch or smell unless instructed to do so.
o If told to do so, always waft the scent toward yourself. Do not smell the container directly!
Only mix chemicals as instructed.
Avoid spills, and ask before cleaning. It may not be safe to touch the chemical!
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Science 9
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Section 1.1 Notes
Only dispose of chemicals as instructed. Some are not safe to put down the sink.
Never put extra chemicals back into their original containers.
Always wash your hands after handling chemicals.
Glassware Safety
If glass is chipped or broken, let the teacher know and dispose in the broken glass container.
If glass is dropped / broken, inform your teacher. DO NOT pick up pieces with your hands.
Clean all glassware after use. (I will show you how!)
Cleanup
Clean your work area and all glassware.
Return all instruments and glassware to proper storage location.
Turn off and unplug all burners, hot plates, etc.
True and False practice questions
Fix any statements that are false
1. _____ It is ok to eat food in the lab if your hands are clean.
2. _____ Long hair needs to be tied back when you are in the lab.
3. _____ You should always wear gloves when in the lab.
4. _____ Goggles should always be on when handling chemicals.
5. _____ Chemical amounts are rough guidelines. Using more than indicated is ok.
6. _____ You should clean spills immediately so the teacher doesn’t find out.
7. _____ Check with the teacher about how to dispose of a chemical.
8. _____ Five minutes is long enough to rinse your eyes if a chemical gets in them.
9. _____ The fire blanket is located near the windows.
10. _____ A burner should never be left unattended while running.
11. _____ Glassware that is being heated can be held with your hands if you are being careful.
12. _____ Only smell a chemical if you are told to do so. If so, always waft to smell a chemical.
13. _____ Extra chemicals should go back in their containers to reduce waste.
14. _____ Only glassware with large cracks should be disposed of.
15. _____ After cleaning, you should leave your glassware and instruments at your station.
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