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

• Always
• Never

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

• 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.

When should you tie back long hair or baggy clothing?

• When working with chemicals
• When working with a Bunsen burner
• When doing dissections.
• Any time you are working in the lab.

I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.

• True

• False

Tags

NGSS.MS-PS2-5

I will perform only those activities that have been authorized by the instructor.

• True
• False

Horseplay, jokes, and pranks are appropriate in the science classroom at any time.

• True
• False

Flammable materials, like alcohol, should never be dispensed or used near

• an open door

• an open flame

• another student

• a sink

Tags

NGSS.HS-ETS1-3

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain

• to improve your vision

• only if you don't have corrective glasses

• any time chemicals, heat, or glassware is used

You are heating a piece of glass and now want to pick it up. You should

• use a rag or paper towels

• pick up the end that looks cooler

• use tongs

• pour cold water onit

What should you do before you start lab?

• Read all the procedures
• Make sure your work area is neat
• Get teachers permission
• All of the above