Bunsen burner quiz time

Match the following

• barrel or chimney

• E

• flame (outer cone)

• C

• base

• A

• collar

• B

• flame (inner cone)

• D

Match the following

• heat proof surface

• F

• airhole

• G

• rubber tubing

• I

• gas valve

• H

Based on this label - what does the metal base do?

What does the collar do? (hint: the diff flames, what are they)

What does the barrel do?

Why is the airhole open able to heat things faster than the airhole half open?

• Air hole fully open lets in less oxygen, so it actually doesn't help things heat faster.

• The fire doesn't need oxygen to burn, so the airhole doesn't matter.

• Air hole half open/blue flame is the hottest the bunsen burner gets.

• Air hole open/roaring flame is the hottest the bunsen burner gets. More oxygen gets let in from the air hole being open, the bigger and hotter the flame is.

We need to turn the fire onto a _______ flame before we turn off the gas.

How do we get to a safety/yellow flame on the bunsen burner. We turn the collar so the airhole is ______.

Before we light a bunsen burner, which of the rules are NOT safe?

• making sure the bunsen burner is not too close to the edge of the desk

• checking for cracks in the rubber tubing

• the air hole was open

• knowing the location of the fire extinguisher and fire blanket

Why should safety glasses be worn during a Bunsen burner experiment?

• to make you look professional

• to stop you from seeing too clearly

• to help you read instructions better

• to protect your eyes from heat, chemicals, and flying debris