Chemistry – Class 11

Period B – Tuesday, September 16th

Lab – Chemical and Physical Changes

• Bunsen Burner instructions
• setting up lab equipment
• lab safety
• material location
• complete as many materials as possible

Learning About Lab Equipment (know these terms)

• ring stand
• iron ring
• clay triangle
• wire gauze
• crucible
• aluminum crucible
• bunsen burner
• rubber tubing
• crucible tongs
• spark igniter
• watch glass
• scoopula

Lighting a Bunsen Burner

• move burner away from stand
• open gas valve
• position sparker above the opening
• move sparker while pressing in on flint
• after flame appears then adjust size
• adjust color by turning the barrel of the burner
• adjust height of the ring stand
• place burner under the ring stand

Homework

• Lab observations completed – Dropbox