Hot items weigh less than items at room temperature. 

My instructor will answer questions about the lab up until the lab due date and time.

When making a line graph of data, it is okay to simply connect the points from one to the other.

The items picture above are beakers.

All lab calculations must be done on separate paper in pencil.

If you do not understand a direction or part of a lab procedure, you should A. skip it and go on to the next part. B. try several methods until something works. C. ask the instructor before proceeding. D. figure it out as you do the lab.

The sense of ________ is a chemical sense.

Chemicals must never come in contact with the balance pan or other parts of the balance.

When gathering glassware and equipment for an experiment, you should A.  read all directions carefully to know what equipment is necessary. B.  examine all glassware to check for chips or cracks. C.  clean any glassware that appears dirty. D.  All of the above.

Approved eye protection devices (such as goggles) are worn in the laboratory A.  to avoid eye strain. B. to improve your vision. C. only if you don’t have corrective glasses. D. any time chemicals, heat or glassware are used.