Curated OER
Chemistry Lab: Chemical Equilibrium
Young scholars investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
Curated OER
WS 1.0 Math Skills Update
In this math skills instructional activity, students solve a variety of basic math problems such as solving for "x" in different types of equations, manipulating algebraic expressions, converting from ordinary notation to scientific...
Curated OER
WS 1.0 Math Skills Update
In this math skills worksheet, students find percentages, they convert from ordinary notation to scientific notation, they convert from scientific notation to ordinary notation and they manipulate algebraic expressions.
University of Georgia
Would Your Cat Eat This Stuff?
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...
Curated OER
Concentration and Reaction Rates
Students investigate how varying the concentrations, volumes, and other factors affects reaction rates. Students design and conduct investigations to obtain data used to create graphs of an uncatalyzed reaction vs. a catalyzed reaction....
Dartmouth College
Dartmouth College: Chem Lab: Analytical Balance
Use this site to learn how analytical balances are used when you need a high degree of precision. Find out the proper use and care of this very sensitive instrument. Requires QuickTime plug-in for some features.
Dartmouth College
Dartmouth College: Chem Lab: Repipet
Learn what a repipet is and how it is used in this brief but informative site.
Dartmouth College
Dartmouth College: Chem Lab: Spectronic 20 Analog
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.
Dartmouth College
Dartmouth College: Chem Lab: Digital Spectrometer
This site explains how a digital spectrometer measures the amount of visible light absorbed by a colored solution.
Dartmouth College
Dartmouth College: Chem Lab: Scanning Spectrometer
The scanning spectrometer measures absorbance vs. wavelength for liquid samples. Directions on how to use this instrument are provided here.
Dartmouth College
Dartmouth College: Chem Lab: Volumetric Flask
What is a volumetric flask? What does it look like? How is it used? These questions are answered in this concise and informative site.
Dartmouth College
Dartmouth College: Chem Lab: Flasks, Beakers, & Graduated Cylinders
Find out the uses for Erlenmeyer flasks and beakers and graduated cylinders in this informative site.
Yale University
Yale University: General Chemistry Lab Techniques: Burets
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.