All Demos

Absorption Spectra

Dyes and neodymium glass absorb portions of the spectrum.
Red Dye Spectrum

Activity Series of Metals

An activity series of metals is induced from the redox reactions of various metals in ionic salt solutions.
Setup

Aldol Clock

A solution of cinnamaldehyde and acetone suddenly turns bright yellow after induction period.
Aldol Clock

Avalanche!

Students investigate the factors that affect avalanches.
Setup

Beer's Law

A flask filled with orange solution demonstrates the dependance of absorbance on path length.

Boiling Cold Water

Water boils at room temperature when pressure is reduced by using a vacuum pump.
Boiling Cold Water

Buffer Capacity

Acid and base added to buffers of various concentrations to show capacity and how it is affected.

Buffer Capacity of Alka-Seltzer™

Different size tablets of Alka-Seltzer™ dissolved in water will neutralize different amounts of acid and base.
Alka-Seltzer Box

Buffer Solution (Acetic Acid/Acetate) vs. Water pH

The pH of an acetic acid/sodium acetate buffer solution is compared to the pH of water. The buffer soluiton resists the change in pH when acid and base are added.
Buffer solution demonstration

Calorimetry Computer Simulation NEW html5 version

Calorimetry Computer Simulation is used to determine the heat exchanged in a variety of physical and chemical processes. NEW html5 version
Calorimeter Acid-Base Thermochemistry

Calorimetry Heat of Solution Computer Simulation

A computer simulation designed to determine the heat of solution of the solid substance. Dissolving various substances in water, measure the mass and temperature.

Capillary Action

Colored water is carried up glass tubes by capillary action.
Capillary Action

Cathode Ray Tubes

An electron beam in a catahode ray tube can be deflected with a magnetic or electric field. An electron beam can cause a pinwheel in a CRT to turn. When an object is placed in the path of an electron beam, the rays cast a shadow.
Deflected Electron Beam

Cheeto Calorimetry

A burning Cheeto heats water. Temperature rise is monitored.

Common Ion Effect

The addition of concentrated hydrochloric acid to a saturated solution of sodium chloride causes solid sodium chloride to precipitate out.

Conductivity of Electrolytes Demo

When a current is applied to an aqeous solution, strong electrolyte solutions light up a light bulb, weak electrolyte solutions dimly light a bulb, and nonelectrolyte solutions do not light a bulb.
Comparing stong, weak, and non-electrolyte solutions: Conductivity

Copper-Ammonia Complex

Copper chloride solution forms a pale blue precipitate then a deep blue solution as ammonia is added.
Copper Hydroxide

Counting Units

A pairs, a dozen, a six-pack, a gross, and a ream are used to introduce the mole.

Crystal Models

A collection of thirteen models of metallic and ionic crystal lattices for display in classroom.
Sodium Chloride Model

Demo Show Demo Descriptions

Descriptions and risk management plans of all demos used in demo shows.
Hydrogen Balloon

Demo Spreadsheet

An Excel spreadsheet to aid instructors in the selection of demos.

Density

Containers filled with equal volumes of substances of varying densities.
Density

Dissolving an ionic salt in water Computer Simulation and Computer Animation

A short computer animation illustration how positive and negative ions in a solid ionic compound dissolve in water might be used to accompany dissolving satls in water demonstration. https://www.youtube.com/watch?v=betbKEJf7jQ

Dissolving ionic salts in water Demo

Several ionic salts (calcium chloride, ammonium nitrate, potassium chloride, magnesiium sulfate, lithium chloride, anhydrous sodiumacetae, anhydrous sodium carbonate) are dissolved in water in a calorimeter. A thermomters measures the intitial temperature of the water and the final temperature of the resultant soluiotn. Dissolving ionic salts in water can be used to illustrate formatiaon of Solutions, Enthalpy, Lattice Energy, etc.

Dry Erase Markers

Students can write on the walls of Columbia 150 using dry-erase markers.
Dry Erase Markers

Electrochemical Cells Computer Simulation: Voltaic Cells: Zn Cu Ag

Computer Simulation of various voltaic cells involving Zn Cu and Ag metal electrodes and aqueous soluitons of zinc sulfate, copper(II) sulfate, and silver nitrate. Computer animations of the oxidation and reduction half-reaction processes occuring in electrochemical cells: Voltaic Cells. Computer Animations of the migration of ions in a salt brdige and the movement of electrons in a wire.
Zn/Cu Voltaic Cell mage of a computer simulation

Electrolysis Computer Simulation

Electrolysis metal-metal cells computer simuation http://media.pearsoncmg.com/bc/bc_0media_chem/chem_sim/html5/Electro/Electro.php
A copper-copper electrolysis cell

Electrolytic Cell: Plating copper on copper

Electrolytic Cell: two copper electrodes in 1.0 M CuSO4(aq) are connected to a D.C. Power Supply. When current is applied to the electrolysis cell copper(II) ions iare reduced to copper atoms at the cathode and copper atoms are oxidized to coppere(II) ions at the anode. The time to plate the metal is recorded along with the current (amps).
Cu/CU Electrolysis Cell Demo image

Entropy ParaDice

A classroom set of two six-sided dice per student (one red and one white) provides an interactive activity that helps students to understand the nature of entropy.
Entropy Dice in Box

Ethanol Cannon

Combustion of ethanol vapor shoots a stopper out of a bottle.
Ethanol Cannon Setup

Fehling Test

When blue Fehling's reagent is added to glucose and fructose solution a brick-red precipitate forms - no rxn with sucrose.
Fehling Test

Flame Test

Flammable solutions of metal salts are sprayed into a burner to create colorful flames.
Rb Flame Test

Household Chemicals

A collection of household chemicals for exhibit in the classroom.
Household Chemicals

Household Fenton's Reagent

Potassium hydrogen tartrate is oxidized to produce carbon dioxide in an exothermic reaction.
Iron Ion

Indicator Cylinder

Dry ice changes the colors of a universal indicator solution.
Indicator Cylinder

Intermolecular Force Activity

Students work in pairs to model intermolecular forces by labeling and manipulating plastic arrows and rectangles.
Intermolecular Force Activity In Case

Iodine Clock Kinetics

After a brief induction period, this clear solution turns suddenly blue.
Setup

Le Chatelier's Principle - Copper Ion

A copper(II) chloride solution alternates between blue and green when ligand concentrations change.
Le Chatelier Green

Lightstick Reaction Rates

Light sticks glow with different intensities at different temperatures.
Light Sticks

Limiting Reactant

The progress of the reaction between three different quantities of Mg and HCl is monitored by the amount of hydrogen gas produced.
Limiting Reactant Before

Liter Cube

A wooden cubic decimeter is cut up into cubic millimeters.
Liter Cube

Lycopumpkin

Lycopodium powder bursts into a fireball when dispersed.
Lycopumpkin Setup

Magnesium and Hydrochloric Acid

Magnesium metal reacts with hydrochloric acid react to produce bubbles of hydrogen gas and aqueous magnesium chloride.
Mg and HCl Setup

Mole Sampler

A collection of one mole of various elements and compounds. "Testing"
Mole Sampler

One In A Million

A transparent globe filled with about a million nonpariels.
One In A Million

Oregon Young Scholars Program

Hi, young scholars! Look here for postings and downloads and stuff..
Sesa Woruban

Outreach Program Document Templates

Template documents for approved chemistry demonstration outreach program.
Wow!

Topics:

Properties of An Ionic Salt

A crystal of sodium chloride does not conduct, but when it is pulverized and dissolved it does.
Setup

Properties of Polymers

In this hand-on class activity, samples of various polymers classes illustrate variable properties within and between classes.

Radioactivity

A Geiger counter indicates the presence of radioactive sources.
Radioactivity Setup

Small Scale Model Kits

A high quality set of molecular model kits that students can use at their seats.
student model kit samples

Solubility of Carbon Dioxide

Two bottles of carbonated water are opened, one cold and one warm and agitated. The warm one spurts all over.

Standing Waves

Standing waves are generated in a weighted length of rubber tubing.
Standing Wave

Stoichiometry Computer Simulation

Stoichiometry Computer Simulation https://media.pearsoncmg.com/bc/bc_0media_chem/chem_sim/html5/stoich/Stoich.php
Stoichiometry Computer Simulation

SuperChem 221 Schedule

This page allows you to view the current Superchem schedule. Please do not click the "Schedule Demo" button.

Synthesis of Nylon

When two immiscible solutions are poured into a dish, solid nylon forms at the interface.
Nylon Setup

Viscosity

A small metal ball falls much more slowly through glycerine than through water.
Viscosity Setup

Voltaic Cell: Zinc/Copper Electrochemcial Cell E° = 1.10 V Demo

A standard Zinc/Copper Voltaic Cell: Zn(s) in 1.0 M zinc sulfate solution, Cu(s) in a 1.0 M copper(II) sulfate solution, salt bridge and voltmeter, E°cell = +1.10 Volts.
Zinc Copper Voltaic Cell Demo

Voltaic Cell: Standard Hydrogen Electrode Demo

A Standard Hydrogen Electrode is used to show the E°cell generated when a SHE is connected to a zinc or a copper half-cell.
Standard Hydrogen Electrode Cu Cell Demo

Volumetric Glassware

A collection of various devices used to measure volume in the lab.
Volumetric Glassware

Zinc Complex Ion Formation

Zinc ion is precipitated by sodium hydroxide. The addition of more hydroxide redissolves the precipitate.

© Copyright 2012 Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group