Crescent Public Schools
The Internet Science Room: Solution Concentration
Students have the opportunity to study examples and worked out example problems to further their understanding of chemical solution concentration.
University of Virginia
University of Virginia: More on Temperature and Solubility
Lab set up to compare the effect of temperature on the solubility of two solutes (NaCl and KNO3).
Chem4kids
Chem4 Kids: Matter: Solutions and Mixtures
This Chem4kids tutorial teaches the basic properties of solutions.
Science Education Resource Center at Carleton College
Serc: Mn Step: Solutions: Solubility and Miscibility
For this activity, learners will test the solubility and miscibility of various substances in water, and explain the chemistry involved. They will also be given a solid and a liquid and asked to predict what will happen when each is...
TeachEngineering
Teach Engineering: Chromatography Lab
To increase students' awareness of possible invisible pollutants in drinking water sources, students perform an exciting lab requiring them to think about how solutions and mixtures exist even in unsuspecting places such as ink. They use...
American Chemical Society
Middle School Chemistry: Lesson Plans: Does Temperature Affect Dissolving?
Students identify and control variables to design an experiment to see whether the temperature of a solvent affects the speed at which a solute dissolves.
Other
How to smile.org: Solubility Test
Students can figure out what an unknown crystal is by comparing their dissolving test with the known and unknown crystals. This inquiry activity includes background information and student handout.
Science Education Resource Center at Carleton College
Serc: Mn Step: Spotting Chromatography
A lab activity that introduces chromatography using markers, plus water and acetone as the solvents. Learners will take measurements to compare the mobile and stationary phases of the inks, and find the polarity of the inks and solvents....
Estrella Mountain Community College
Online Biology Book: Chemistry Ii: Water and Organic Molecules
Online biology textbook discussing the chemical nature of water, and the importance of its molecular structure to life. Also discusses at length the organic molecules nucleic acids, proteins, lipids, and carbohydrates.
American Chemical Society
Middle School Chemistry: Lesson Plans: Why Does Water Dissolve Salt?
Students use their own model of a salt crystal and water molecule to show how water dissolves salt. Then, they relate their observations to the structure of salt, water, and alcohol on the molecular level.