Working scientifically Flashcards
What is a hazard?
Hazard:
Something that can cause harm.
What is a risk?
Risk:
Chance a hazard causes harm.
How are corrosive substance risks increased?
Bottle of acid layed on the edge of a table.
What are the precautions of corrosive substances?
- Keep bottle stored away/ make sure it isn’t on the edge.
How is a flame on a bunsen burner risk increased?
- Baggy clothes.
- Hair not tied back
What are the precautions of a bunsen burner flame?
- Tie back hair
- Tuck in shirts and ties
How is the hazard of bags on the floor increased?
People running.
What are precautions of bags on the floor?
Store bags in a place.
How is the hazard of fumes increased?
Lack of ventilation.
What are the precautions of fumes?
Open windows to allow ventilation.
When is a yellow flame used in a bunsen burner?
- Safety flame.
- Makes it clear the bunsen burner is on.
When is the blue flame used in a bunsen burner?
When heating.
More air can flow through.
The temperature has increased.
