1. Welcome to Science!!!

2. Lab Safety

3. Learning Objectives To know and follow basic lab safety rules.
To identify hazards in the laboratory.
To identify different hazard labels (old and new).

4. Brainstorm - Lab Rules

5. What things do you think we should do in a lab?
Do not enter a lab unless a teacher is present.
No eating or drinking.
Keep long hair tied back.
Wear safety goggles.
Be quiet and sensible during lab work.
Do not run in the lab.
Do not touch apparatus until told.
Report any breakages or spillages immediately.

6. How many hazards are there in this picture?

7. Safety Symbols
Globally Harmonized System of Classification and Labelling of Chemicals (GHS)

10. Old Hazard Symbols Flammable – A substance that can catch fire easily.
Biohazard - These are living organisms that may cause infection.
Irritant - A substance that may cause irritation to the skin, eyes or inside your body. i
Toxic - A substance that is poisonous if swallowed or breathed in. It may even go through your skin!
Environmental Hazard - These substances damage or pollute the environment. h
Harmful – A substance that may cause harm in some way.
Oxidising - This type of substance gives of a large amount of heat when in contact with other substances.
Corrosive - A substance that may destroy living tissue on contact. It causes a burn.
Explosive - A substance that may explode if it comes into contact with a flame or heat. It may also explode due to friction or shock.