Physical Science, Apple Science
1st grade
Medium
About $25
None
4 hours
A abundance is an aperture on a planet’s apparent or band which allows hot magma, agitable ash and gasses to escape from beneath the surface. Some acclaimed volcanoes about the apple are Mount Rainier, USA, Mount Etna, Italy; Mauna Loa, Hawaii, USA; Sakurajima, Japan. A abundance in Iceland alleged Eyjafjallajokull erupted in March 2010. It happens back the hot magma finds cracks on the apparent of the planet and armament up or erupts. I fabricated a archetypal application a actinic acknowledgment amid baking soda and alkali to simulate the gasses and magma flow. Back the baking soda (base) reacts with alkali (acid) it forms the gas, carbon dioxide. The gas expands and escapes through the aperture of the bottle. The gas, abrade and aliment colorings makes cream which looks like the aglow magma in a volcano.
I capital to analyze the actinic reaction. So I did the agreement with 3 altered amounts of alkali – 1/4cup, 1/2cup and 1 cup. Increasing the bulk of the additive added the time that the “magma” flowed out of the volcano.
Making the model
Experiment
When alkali was added to the admixture of flour, baking soda and the aliment coloring, a gas was appear which forth with the debris formed a magma-like foam.
Time to achievement of the acknowledgment back altered amounts of alkali were added:
Refer to the account of the posterboard for abundant blueprint of these results.
I would like to apperceive what happens if the bulk of baking powder, the added allotment of the acknowledgment is changed. Also, if I did not add the flour, will the acknowledgment change or aloof attending different?
I would like to apprentice added about altered kinds of volcanoes about the world, what happens to the magma already it comes out of the abundance and if there are any volcanoes on added planets.
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chemistry.about.com
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