How much vinegar and baking soda do you need for a volcano?

For the eruption:

Small bowl.
Cup.
1 tbsp bicarbonate of soda (baking soda)
1 tbsp washing up liquid.
2 tbsp water.
½ cup vinegar.
1 tbsp red food colouring.

How is viscosity related to lava flow style?

And the lava viscosity defines the size and shape of a volcano. Even though lava is 100,000 times more viscous than water, it can still flow great distances. When lava has low viscosity, it can flow very easily over long distances. When lava has a high viscosity, it’s very thick and doesn’t flow very well at all.

What increases viscosity of lava?

Viscosity of Magmas Viscosity depends on primarily on the composition of the magma, and temperature. Higher SiO2 (silica) content magmas have higher viscosity than lower SiO2 content magmas (viscosity increases with increasing SiO2 concentration in the magma).

What is the viscosity of magma flow?

Magma viscosity varies, with temperature, water content, and composition, between about 102 Pa s and about 1011 Pa s. That is nine orders of magnitude! Magma viscosities are often determined experimentally, or measured in the field. Viscosity is highly dependent on temperature.

Does low viscosity lava have low silica content?

Composition: he more felsic the lava (the more silica in the lava), the higher the viscosity because silica forms chains in the cooling lava even before it crystallizes. The more mafic the lava (the less silica in it), the lower the viscosity.

What is the viscosity of Mt Etna’s lava?

104–105 Pa s
Lava flows were described as “sluggish” with estimated viscosities of 104–105 Pa s (Tanguy and Kieffer, 1976), and flow fronts generally advanced at just a few meters per hour (Guest et al., 1974).

What type of lava is most viscous?

Viscosity of Magmas Thus, basaltic magmas tend to be fairly fluid (low viscosity), but their viscosity is still 10,000 to 100,0000 times more viscous than water. Rhyolitic magmas tend to have even higher viscosity, ranging between 1 million and 100 million times more viscous than water.

How do you measure viscosity of lava?

Two types of instrument have been used: penetrometers and rotational viscometers. Penetrometers are suitable for relatively high viscosity (104–106 Pa s) lava flows, but care has to be taken to ensure that the sensor is at lava temperature and measurements are not affected by the resistance of outer cooled crust.

What is baking soda and vinegar?

Baking soda is the common name for sodium bicarbonate (NaHCO3). Most people probably associate it with cooking, because it makes your cakes and breads big and puffy. Vinegar is a dilute solution of acetic acid (HC2H3O2), produced by bacteria during fermentation.

What is baking soda called in UK?

bicarb soda
Baking soda and bicarb soda refer to the same thing. Australia, New Zealand and the UK use the term bicarb soda, while the US refers to it as baking soda.