Bunsen Burner and Lab Safety

Which flame should you turn your burner to just before you switch the gas off?

• Yellow safety flame

• Hot blue flame

When should you tie back long hair or remove loose clothing?

• When working with chemicals

• When working with a Bunsen burner

• When doing dissections.

• Any time you are working in the lab.

What direction must the handle for the gas valve be to have gas flow into the burner?

• parallel

• perdendicular

Which part of the Bunsen flame is the hottest?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which image shows the flame when the air holes are open?

• Yellow/orange flame

• Dark and Light Blue flame

When is it OK to eat or drink in the lab?

• If you are not doing an experiment

• Never

• Only if you are really hungry

If you break glassware in the lab, you should...

• Tell the teacher

• Clean it up quickly before the teacher notices

• Scream at the top of your lungs

If you get a burn from the flame or scald from boiling water what should you do?

• Immediately run cool water on the burn then tell the teacher

• Run cool water on the burn and then pretend nothing happened

• Immediately go to student services without telling anyone

• Put ice from the science fridge on it

Your bunsen burner with a safety flame is knocked over, what do you do?

• Place it back on the heatproof mat, it is only on safety flame so this is safe to do.

• Turn off the gas at the gas tap, pick up the bunsen burner by the barrel and place it back on the mat

• Turn off the gas at the gas tap, then let your teacher know

• Panic, don't do anything because you're a bit scared you'll get into trouble

What is the hottest part of a blue flame? This is where you should hold a test tube when heating materials in a test tube

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4