Processed foods use inorganic compounds for flavoring and preservation. This take-home laboratory challenges scholars to find 20 different compounds identified on the labels of foods to list on their data collection sheet. The activity...

Tutorial shows proper procedure for handling a buret and using this piece of laboratory equipment to measure liquid volume. View accompanying video full-length [18:00] or in segments.

Tons of science safety rules and information are available here, arranged by category. Resources are available for students and teachers on maintaining safety during labs and other activities.

Learn what a repipet is and how it is used in this brief but informative site.

This site explains how a Spec. 20 spectrometer measures the amount of visible light absorbed by a colored solution. Requires QuickTime plug-in for some features.

This site explains how a digital spectrometer measures the amount of visible light absorbed by a colored solution.

The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.

Discusses what tongs are used for and why crucible tongs are a very important tool in a laboratory and other settings. Describes the different types of crucible tongs, their uses, and some safety tips.

Use this site to find out what a pH meter is and how to use it in this informative and concise site.

This site explains how a digital pH meter uses an electrode to measure the pH of a solution Find out how to use this instrument in this informative site.

A concise but informative explanation of what a pipet is and how to use a pipet bulb.

Use a top loading balance to weigh solid material when a precision of 0.1 is adequate. Find out how to operate this instrument in this concise site.

Learn what a Buchner funnel is, how it works to filter solids from liquids, and some of its applications.