Biology intro.

Sandals are permitted during laboratory experiments.

• True

• False

Long hair in the laboratory must be

• cut short

• held away from the experiment with one hand

• always neatly groomed

• tied back or kept entirely out of the way with a hair band, hairpins, or other confining device

If you spill or break something during an experiment, what is the FIRST thing you should do?

• Tell the teacher.
• Clean it up. 
• Cover it with a paper towel.
• Leave it for someone else.

What symbol is this?

• Open Flame

• Toxic

• Chemical

• Electrical

What symbol is this?

• Toxic

• Flammable

• Chemical

• Disposal

What does this symbol mean 

• fire safety 
• eye protection safety 
• animal safety 
• extreme temperatures 

What should you NEVER do in the lab?

• Play practical jokes on people
• All of these
• Run while holding a beaker with chemicals
• Mess around with your friends

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

When you finish working with chemicals, biological specimens, and other lab substances, always

• treat your hands with skin lotion

• wash your hands thoroughly with soap and water

• wipe your hands on a towel

• wipe your hands on your clothes

True or False: Chipped or cracked glassware is okay to use.

• True

• False