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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.
I wanted to observe the chemical reaction between baking soda and vinegar which caused the “magma” to come out.
I performed the experiment with 3 different amounts of vinegar – ¼ cup, ½ cup and 1 cup.
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.
Although we won't make a volcano from molten rock today, we will make a pretty cool model that won't melt your table into ashes.
To do this, we're going to use some basic chemistry: acids and bases. Using the funnel, add the baking soda and food coloring (for a realistic lava color), to the bottle.
Then I timed the reaction to see which amount made the reaction go longest.
I then made a graph of the results and found out that as the amount of vinegar is increased, the reaction goes on for a longer time.
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.