SC10 U1-CHEMISTRY: Lab Safety & Atoms

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.

Three main rules when working with open flames - check all that apply

• tie back long hair

• wear gloves

• wear goggles

• secure loose clothing

When should you tie back long hair or baggy clothing?

• When working with chemicals

• When working with fire

• ALWAYS

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

• True

• False

The bell rang and Mike was in the middle of his lab experiment, he should...

• Leave the equipment where it is and go to his next class.

• clean and return his equipment to the designated area.

• just wash his hand and go to his next class.

Before begining a lab you should...

• read and understand all directions.

• play with the equipment first.

• complete the easy steps first and then the hard ones.

When measuring chemicals, if you measure out too much of a chemical, you should...

• place back any extra into its original container.

• tell your teacher and follow their directions.

• keep it because you might need it later on.

• dispose of it in the trash can.

When using a gas burner

• Keep clothing and hands at a safe distance

• Never reach over an exposed flame

• Never leave lit burner unattended

• all of the above

Accidents should be reported to

• no one if they aren't that big

• your lab group or instructor

• your teacher (no matter how small an incident may be)

You have left over chemicals after you complete the lab

• Follow all instructions given for disposal of chemicals
• Place liquids down the drain and solids in the trash
• Put left over chemicals back into their original containers
• Leave all the chemicals on the lab counter