What is science? Flashcards
Give meaning and description of the symbol
Skull and crossbones
Meaning - acutely toxic
Description - can cause death e.g. if swallowed, breathed in or aborbsed by skin
Give meaning and description of the symbol
Horizontal test tube with stuff pouring out
Meaning: Corrosive
Description: Attacks and destroys living tissue such as skin and eyes
Give meaning and description of the symbol
Circle with flame above
Meaning: Oxidising agent
Description: Provides oxygen to make other substances burn more fiercely.
Give meaning and description of the symbol
Person with star in lungs
Meaning: Longer term health hazard
Description: Causes allergic reactions, may cause genetic defects, damage to fertility and unborn child and damage to organs
Give meaning and description of the symbol
Fire
Meaning: flammable
Description: catches fire easily
Give meaning and description of the symbol
Firework
Meaning: Explosive
Description: Explodes due to fire, shock, friction or heat. Catches fire easily
Give meaning and description of the symbol
Tree and fish
Meaning: Environmental hazard
Description: Harmful, toxic to aquatic life with long lasting effects.
Give meaning and description of the symbol
Exclamation mark
Meaning: Caution/hazard
Description: used for less serious health hazards such as skin irritation.
Describe the flame when the hole is closed
Tall
Unsteady
Quiet
Sooty
Yellow
Describe the flame when the hole is open
Small
Steady
Noisy
Clean
Cone
Blue
Describe the flame when the hole is half open
Tall
Steady
Quiet
Clean
Blue
Give an advantage and disadvantage of a yellow flame
Advantage: Easy to see
Disadvantage: Unsteady and sooty
Give an advantage and disadvantage of a blue flame
Advantage: Very hot and clean
Disadvantage: Hard to see/invisible
What way should a lit Bunsen burner be left when not in use
Hole half open as the flame is steady and can be seen.
