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- While the theories and laws governing chemistry can sometimes feel abstract, experiments bridge the gap between these concepts and their tangible manifestations. These experiments provide hands-on experiences illuminating the intricacies of chemical reactions, molecular structures, and elemental properties.
www.educationcorner.com/chemistry-experiments/68 Best Chemistry Experiments: Learn About Chemical Reactions
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- Anne Marie Helmenstine, Ph.D.
- Copper and Nitric Acid. When you place a piece of copper in nitric acid, the Cu ions and nitrate ions coordinate to color the solution green and then brownish-green.
- Hydrogen Peroxide with Potassium Iodide. Affectionately known as elephant toothpaste, the chemical reaction between the peroxide and potassium iodide shoots out a column of foam.
- Any Alkali Metal in Water. Any of the alkali metals will react vigorously in water. How vigorously? Sodium burns bright yellow. Potassium burns violet. Lithium burns red.
- Thermite Reaction. The thermite reaction essentially shows what would happen if iron rusted instantly, rather than over time. In other words, it's making metal burn.
Mar 4, 2024 · These questions and prompts can spark ideas for unique chemistry experiments: Compare the properties of sugar and artificial sweeteners. Explore the impact of temperature, concentration, and seeding on crystal growth.
- Elephant Toothpaste
- Color Change Chemiluminescence
- Colored Fire Cool Chemistry Experiment
- Copper and Nitric Acid Chemistry Experiment
- Sodium in Water Reaction
- Chemical Traffic Light
- Thermite Reaction
- Dancy Gummy Bear
- Sugar and Sulfuric Acid Cool Reaction
- Flower Shop Reaction
Elephant toothpaste is one chemistry experiment you shouldn’t miss. The experiment produces heaps of foam, which you can color or even form into shapes by using special containers. The classic version is a reaction between sodium or potassium iodide and peroxide. There is also a kid-friendly versionthat is safe for children (and adults) to touch.
Most likely, you know about chemiluminescence from glow sticks, but there are more dramatic reactions you can try. For example, there is a cool chemistry experiment where you mix together chemicals, add peroxide, and the solution glows red and then glows blue. This experiment illustrates an exothermic reaction and a decomposition reaction.
Making colored fire certainly qualifies as a cool chemistry experiment. Just choose the chemical for the color you want. Some of the chemicals are appropriate for making colored fire spray bottles, too. In addition to looking awesome, colored fire demonstrates the emission spectra of ions.
The copper and nitric acid experimentis as easy as it gets, but it produces dramatic results that illustrate the metal activity series and coordination complexes. All you do is drop a piece of copper into nitric acid. The liquid changes from clear to blue-green and the reaction releases bubbles of reddish-brown vapor. Eventually, the liquid changes...
Sodium and other alkali metals react vigorously with water. The reaction become more vigorous as you move down the periodic table, so mixing sodium and wateris the safest version of this chemistry experiment. You only use a tiny bit of the metal, yet it burns brightly and gives of sparks and flames. Sodium burns with a yellow flame, but other metal...
The chemical traffic light is one of many color change chemistry demonstrations. It is a redox reactionwhere a solution changes red, green, and amber, like a traffic light. Temperature affects the rate of the color change, so it also illustrates principles of kinetics.
The thermite reactionis one of the more dramatic chemistry experiments. All you do is mix a metal and a metal oxide and ignite it. But, this is no ordinary fire. The reaction is very bright and extremely hot. It is the burning of metal, so it serves as an example of oxidation, combustion, and exothermic reactions.
The dancing gummy bear is a chemistry experiment featuring a gummy bear candy “dancing” in purple flames. But, you can use any candy. A related experiment involves dropping a bit of charcoal into a tube of molten potassium nitrate, making the charcoal dance. The project illustrates combustion, oxidation, exothermic reactions, and the flame testfor ...
The sugar and sulfuric acid reactionhas another name: the carbon snake. This is a dehydration reaction and decomposition reaction that breaks sugar molecules into elemental carbon, carbon dioxide, sulfur dioxide, and water. The result is a steaming column of black carbon rising from its container. The experiment smells of burning caramel and rotten...
The flower shop or odor of violets reactiondoes not look as cool as some of the other reactions on this list, but it definitely smells the best. The simple reaction involves mixing two common chemicals and applying heat, releasing a chemical that smells like violets. This experiment demonstrates a rearrangement reaction. Another cool effect is the ...
Exploring the chemistry of chromium, molybdenum and tungsten. Discover how transition elements differ in aspects of colour, precipitate formation, changes in oxidation state and equilibria. Includes kit list and safety instructions.
Check out this large list of chemistry experiments for kids of all ages. We have them arranged in grade order. Easily find an engaging chemistry experiment to add to your homeschool or classroom this week.
Jul 28, 2019 · Here's a look at ten chemistry demonstrations, some of which use safe, non-toxic materials to create impressive effects. Be sure you're ready to explain the science behind each of these demonstrations to students who are ready to try the chemistry for themselves.
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