Annenberg Foundation
Annenberg Learner: Virtual Particle Lab: Dissolving
Explore what happens when one substance dissolves into another. Run the simulations and see if you can predict the results.
American Chemical Society
Inquiry in Action: Recrystallization Test
In this activity, students will identify an unknown crystal based on its appearance when it recrystallizes. Activity includes both student and teacher instructions.
American Chemical Society
Inquiry in Action: Solubility Test
A lab activity where students will identify an unknown crystal by applying a dissolving test.
American Chemical Society
Inquiry in Action: Temperature Affects the Solubility of Gases
Learn about the effect of temperature on the solubility of gases in this lab activity. This lab activity includes instructions for both student and teacher.
E-learning for Kids
E Learning for Kids: Science: Siberia: How Can Water Change Materials?
Teach the famous warrior, Attila the Hun, about materials we use in this century. Help him learn how some materials dissolve in water.
Science Museum of Minnesota
Science Museum of Minnesota: Experiment Solving Dissolving
Try this experiment to find out what happens to chalk when vinegar is added to it.
University of Nebraska
David Brooks: Henry's Law Experiment
At this site learn about Henry's law through this hands-on experiment. Lab instructions are complete including step-by-step pictures an worksheet.
Purdue University
Gas Laws
This chemistry tutorial explains the gas laws (e.g., Boyle's Law) with applications.
Other
University of Siegen: Enthalpy of Solution
This resource provides a physical reaction. Hydrous and anhydrous calcium chloride react with water to produce physical exothermic and endothermic reactions.
US Geological Survey
Water Properties
This site provides a discussion of the physical properties of water. Click Home to access the site in Spanish.
American Chemical Society
Middle School Chemistry: Using Dissolving to Identify an Unknown
See how using the process of dissolving can be used to identify an unknown substance.
Sophia Learning
Sophia: Factors Affecting Solubility
Find out some common factors that affect the solubility of a substance. Also explore the reasons behind the rule "like dissolves like." [4:45]
Chem Tutor
Chem Tutor: Dissolving Gases Into Liquids
Description of the factors influencing gas solubility. This site also provides other chemistry related questions. Topics include dissolving solids into liquids, concentration, and stoichiometry.
TOPS Learning Systems
Tops Learning Systems: Top Science: In Between [Pdf]
Investigate why mixing salt with rice, or salt with water, causes the overall volume to decrease.
Bill Nye
Bill Nye: Hole Y Water
This tutorial from Bill Nye uses an experiment with water and sugar to show how matter is mostly empty space.
Concord Consortium
Concord Consortium: Intermolecular Attractions and Solubility
Have you ever wondered why oil and water don't mix? Discover why some substances dissolve in water while others don't.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Rate of Dissolving
[Free Registration/Login may be required to access all resource tools.] Discusses the rate of dissolving and the factors that affect it.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Separating Mixtures
[Free Registration/Login may be required to access all resource tools.] Discusses how mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.
Concord Consortium
Concord Consortium: Dissolving
Impact on potential energy when a substance dissolves in water. Add water to a substance and observe the impact on potential energy as the substance dissolves. Observe the interactions between molecules as the substance dissolves over...
Science Fun for Everyone
Science Fun: Gorgeous Gooey Gobstoppers
Watch the masterpiece you create when you dissolve 10 gobstoppers in a bowl of water. Video explanation included.
Science Fun for Everyone
Science Fun: Cool Crystals
Make your own crystals with this fun experiment. Different crystals have different shapes. What shape did your crystals form? Video tutorial included.
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.
ClassFlow
Class Flow: Dissolving
[Free Registration/Login Required] This unit consolidates and extends children's understanding of what happens when a variety of solids dissolve.
ClassFlow
Class Flow: Dissolving and Evaporation
[Free Registration/Login Required] Ever wondered what happens at the molecular/ionic level when salt is dissolved in water or salt-water is evaporated by heating/boiling? Peek into the molecular world with this flipchart to view these...