Disposal of Waste (6)

Type of accidents that commonly occur in the laboratory (2)

Hand splashed by concentrated acid or alkali

Type of accidents that commonly occur in the laboratory (3)

Small fire

Type of accidents that commonly occur in the laboratory (4)

Contact with residue from the reaction of reactive metals

Type of accidents that commonly occur in the laboratory (5)

Broken thermometer

Type of accidents that commonly occur in the laboratory (6)

Gas leak

Type of accidents that commonly occur in the laboratory (7)

Electric shock

Factors that can cause accidents in the laboratory (1)

Carelessness

Factors that can cause accidents in the laboratory (2)

Negligence

Factors that can cause accidents in the laboratory (3)

Events beyond expectation

Factors that can cause accidents in the laboratory (4)

Lacks of skills or knowledge in carrying out a science experiment