Midterm Review - Principles of Chemistry

After completing an experiment, all chemical wastes should be

• left at your lab station for the next class.

• disposed of according to your instructor’s directions.

• dumped in the sink.

• taken home.

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 hairband, hairpins, or other confining device.

If a piece of equipment is not working properly, stop, turn it off, and tell

• the custodian.

• your lab partner.

• your best friend in the class.

• the science instructor.

You have been injured in the laboratory (cut, burn, etc.). First you should

• visit the school nurse after class.

• see a doctor after school.

• tell the science instructor at once.

• apply first aid yourself.

The following footwear is best in the laboratory.

• sandals

• open-toed shoes

• closed-toed shoes

• snow boots

What is the name of the equipment we use to measure mass?

• graduated cylinder

• meter stick

• balance

• thermometer

What is the name of the equipment we use to measure length?

• graduated cylinder

• meter stick

• balance

• thermometer

What is the name of the equipment we use to measure metric volume?

• graduated cylinder

• meter stick

• balance

• thermometer

Which of these is a unit of measurement we use to measure distance (length)?

• centimeter

• liter

• kilogram

• milliliter

Which of these is a unit of measurement we use to measure mass?

• centimeter

• milliliter

• gram

• inch