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The detergent traps the gas, which is heavier than air, so it flows down the side of the volcano. The eruption is not so dramatic, but is interesting and long-lasting.The acidity of the vinegar and tomatoes in the ketchup reacts with the baking soda to produce carbon dioxide gas, which gets trapped as bubbles by the detergent. For a truly memorable volcano, use diet tonic water instead of diet cola and shine a black light on the volcano. In this chemistry project, we'll learn about how acids and bases react when mixed.
Carbon dioxide doesn't mix well with water, so to capture the bubbles, we add dish soap.
Dish soap is an interesting molecule because it mixes both with water, a hydrophilic,or water loving, substance and with hydrophobic substances that don't like water, like our carbon dioxide bubbles.
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Volcanos are some of the most powerful forces shaping the Earth.
Eruptions spew molten hot lava, touching everything in its path.Continue doing this until you have a lovely cone shape for your volcano. Red and brown are popular colors and maybe even some green at the base. During the chemical reaction between acetic acid and sodium bicarbonate, water, sodium acetate and carbon dioxide, a gas which forms bubbles, are formed.The carbon dioxide bubbles are denser (heavier) than air, so they gather at the top of your volcano, forcing the liquid over the sides during the eruption.Disclaimer and Safety Precautions provides the Science Fair Project Ideas for informational purposes only.does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information.Anyone can earn credit-by-exam regardless of age or education level.Watching a homemade volcano erupt is a very exciting experience for young children as they watch and learn about the amazing power of these geological formations.Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances.Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision.The ash and rock explosions can carry for miles, blacking out the sun and coating civilization and wildlife.In Hawaii, 1800 degree Fahrenheit basalt rock eruptions still shape the landscape.