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Three indicators are used in conjunction with acids and bases to create a rainbow of colors. In a basic solution, phenolphthalein is red, p-nitrophenol is yellow, and thymolphthalein is blue....
A few colored crystals are added to a clear solution in a glass jar or beaker. Within a few minutes large plant like structures extend from the crystals.
A large quantity of foam is produced when detergent and potassium iodide are added to hydrogen peroxide. A large quantity of foam is produced when detergent and potassium iodide are...
A copper “pen” will be used to electrolyze a solution of potassium iodide and draw on a piece of filter paper. The color of the “ink” will change depending on...
The electrolysis of a tin (II) chloride solution demonstrates the oxidation and reduction of Sn2+ ions as beautiful tin crystals grow and spread throughout the solution. There are enough materials...
Explore the interesting properties of nanomaterials by reducing a solution of gold (III) chloride to form colloidal gold nanoparticles. As the reaction occurs, the mixture undergoes multiple color changes before...
Study oxidation-reduction, electrolysis and acid-base reactions as Universal Indicator is added to an aqueous sodium sulfate solution. When two carbon electrodes are connected to a battery and placed in the...
Allow students to learn about polymers and cross-linking using this fun and colorful activity. Students add a solution of sodium alginate to three calcium chloride solutions, each containing a different...
Many people think that all acids are the same. Often times when students hear the phrases strong acid and weak acid they will confuse these concepts with high/low concentration of...
Demonstrate the wonderful, super absorbent properties of a polymer while making snow in your classroom. As the hydrophilic polymer instantly absorbs water, it will expand to over 40 times its...
In this demonstration, students will observe an example of a chemiluminescence reaction. Instant light powder and water are placed in a beaker producing a blue light. This demonstration is designed...
Create your own fluorescent polymers (Slime) in this great classroom demonstration. Mixture is pink under regular light and glows orange under a black light. Included pigment will make this polymer...
In this lab a thionin-iron solution is prepared. Exposing the solution to light energy causes the colored thionin to be reduced by iron (II) ions, resulting in a clear solution....
Several liquids of varying color are added to a cylinder. Due to differing densities of the liquids, a density gradient is formed resulting in a layered, multi-colored column. As an...