Lab Procedures

What is the first thing you should do before completing a scientific investigation?

• Read the procedure/ lab activity.

• Say hi to a friend.

• Get your lab equipment out.

• Put your PPE on.

Answer explanation

Although you will need to obtain your PPE and lab equipment the first thing you should do is read through the lab so that you have an idea o what the purpose is, what you will be doing, what you need to do to keep yourself safe and others and finally what lab equipment you will need to obtain.

Which lab safety rules is Evan breaking?

• No horse play.

• Tie long hair back.

• Wear PPE.

• No food, drink, or taste testing during the lab.

Answer explanation

He should be wearing goggles. You should also never consume anything during a lab or in a lab classroom. Some chemicals may be accidentally leftover from previous experiments and/or some chemicals can be toxic.

What rules is Linsey breaking?

• She's not wearing PPE (gloves or goggles)

• Her hair isn't tied back while working with a flame.

• She isn't paying attention.

• Her test tube is pointing towards her partner while being heated.

Answer explanation

It's important to tie long hair back and not to wear loose clothing when working with a Bunsen burner.

How do you smell a substance in a science lab?

• With your nose.

• Mouth & nose.

• You don't, EVER!

• By wafting it.

If an accident happens in the lab...

• Quietly clean it up and tell nobody.

• Quietly clean it up and then inform your teacher.

• Inform your teacher right away.

• Call 911.

Answer explanation

911 may have to be called in an emergency but most incidents if any, will be small, inform your teacher first and they may or may not instruct you to call 911.

In a science lab you should...

• Always stand.

• Stand unless its a quick lab.

• Never leave a flame unattended.

• Stop, drop & roll if your hair or clothes catch on fire.

Answer explanation

You should never sit during a lab, if you do, you may accidentally trip someone and will not be able to easily move away if there is an incident.

If a chemical gets into your eye, where do you go and for how long do you rinse your eye?

• Fountain, 15 mins.

• Shower, 15 mins.

• Eye wash station, 15 mins.

• Sink, 15 mins.

If you have a question during a lab you should

• Raise your hand and let Ms. Hawkins come to you

• Repeat Ms. Hawkins, Ms. Hawkins, Ms. Hawkins

• Start playing around with the group next to yours

• Find Ms. Hawkins and walk over to her

What should you do if you break glass in the lab?

• Leave it and tell the teacher.

• Sweep up the glass.

• Pick up the glass with your hands.

• Ignore it; the teacher will clean it up when she sees it later.

You should never _____ chemicals in the lab.

• taste

• touch

• smell

• all of the above

Tags

NGSS.HS-ETS1-3