1. Safety in Science
Safety is an attitude!

2. High school science lab explosion injures 4
A teacher and three Grade 11 girls suffered minor injuries in a chemical explosion in a science lab at Brennan Catholic High School in Windsor, Ont., on Tuesday morning. The explosion, which caused students' ears to ring, was an exothermic reaction between the ingredients potassium chlorate, manganese dioxide, sugar and glycerin.
November 23, 2010, reported by CBC news
This is just one of many incidents that have happened in science labs in recent years

3. Basic Safety Rules
Use common sense. If you think what you are about to do is a bad idea, it is.
Follow the lab procedure given to you. No unauthorized experiments.
No goofing around. See above.
Handle chemicals and glassware carefully. Use both hands: one holding the neck of the glassware, the other hand under the bottom.

4. Chemical Burns Chemical burns on feet.
Flammable
Reactive
Health
Special
Chemical burns on feet.
This can happen if you are careless with chemicals in the lab 
Skin burned by chemicals

5. Safety Features of the Lab
Locate the following:
safety glasses & goggles
chemical shower station
fire extinguisher
eye wash station
broken glass container
fire / emergency exit door

6. DANGER Laboratory Safety Rules
Click on the DANGER word to a separate link for another PowerPoint presentation on "Safety Rules"

7. ARNPRIOR DISTRICT HIGH SCHOOL
Science Department
Safety Rules
Read your handout carefully.
Sign at the bottom if you are willing to follow these rules.
Get your parent/ guardian to read over the lab rules & sign below as well. This must be done before you can participate in any lab activities.

8. Lab Safety Symbols A) WHMIS
stands for Workplace Hazardous Materials Information System
designed to inform workers about the (dangerous) substances they use
aimed at reducing or preventing injuries in the workplace (e.g., school)
MSDS (material safety data sheet)
document that tells a scientist about a chemical
lists hazards, special handling instructions, and risks associated with a chemical
are supplied by the company that makes the chemical
each chemical has its own MSDS that tell about its physical properties, chemical properties, first aid required, etc.

9. WHMIS symbols can explode if put under lots of pressure
capable of catching fire
reacts with air to increase the risk of fire
can cause immediate illness or death

10. can cause illness later in life (cancer, sterility)
living thing that can make you sick
can burn/destroy the skin & eat through metals
can react dangerously if left standing for a long time, being shaken, etc.

11. Examples of substances with these labels
Guess as to which substance matches best with which WHMIS symbol:
X-ray machines, mercury
oxygen cylinder
blood, flu virus
peroxides, nitrates
cyanide, arsenic
acids, hydroxides
ethylene oxide (gas used to sterilize surgical equipment)
gasoline

12. Which WHMIS symbol should appear on cigarette packages?

13. Put your heads together
Compressed Gas
Flammable /Combustible
Oxidizer
Corrosive
(Dangerously) Reactive
Biohazardous (Infectious)
Poisonous
Toxic
In your table groups, match up the WHMIS symbols with their titles
A B C D E F G H