Lab#1: Identify Lab Hazards

What is unsafe about object 1?

• The Bunsen burner is near a window

• The Bunsen burner has been lit and left unattended

• There is no tripod with the Bunsen burner

What is unsafe about object 2?

• The Crisps have passed their sell date

• Food and drink should not be left on the lab bench

• The cola bottle does not have a toxic hazard label

What is unsafe about this person labeled 3?

• Her hair is not tied back

• Her lab coat is too long

• Her safety glasses are the wrong color.

What is wrong with situation labeled 4?

• The bag is obstructing a fire exit.

• The bag contains a mouse.

• School bags should be kept with you at all times.

What is wrong with picture 5?

• The fume cupboard is not properly sealed by the lab coat.

• Lab coats are not required in any science activities

• The lab coat is obstructing the fume cupboard door.

What is unsafe about this situation? (pic 6)

• An open bottle of flammable liquid has been left next to a lit Bunsen burner.

• The Bunsen burner gauze is missing.

• An open bottle of flammable liquid has been left next to a fume hood.

Tags

NGSS.MS-PS3-3

What should this girl be wearing? (pic 7)

• More fashionable pants

• A lab coat or apron

• Nike sandals

What is unsafe about this situation? (pic 8)

• The cardboard box has been placed in contact with a fire door.

• Cardboard boxes are strictly forbidden in a laboratory.

• A fire door has been propped open.

What is unsafe about this beaker? (pic 9

• It doesn't have a label on it.

• The beaker has been left unattended.

• The beaker has been left too close to the end of the table.

What is unsafe about this bag? (pic 10)

• A bag left in a passageway can cause a tripping hazard.

• Bright colors are unsafe in laboratory because they can be confused with hazard symbols.

• Bags with long straps can become entangled in laboratory equipment.