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because they were made that way

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15y ago

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What is the density of blobs in a bottle?

The density of blobs in a bottle would depend on the material the blobs are made of and how tightly packed they are inside the bottle. The density can be calculated by dividing the mass of the blobs by the volume they occupy in the bottle.


Why if we put the cap on the bottle the effect of the blobs do not work any more in blobs in a bottle?

Putting the cap on the bottle prevents the blobs from moving because it does not allow fresh air to enter the bottle. The blobs rely on the expansion and contraction of air inside the bottle to move, and sealing it off with the cap disrupts this process.


Why does the effect of the blobs still work when the cap is on a lava lamp?

The blobs inside a lava lamp are heated by a light bulb at the base of the lamp, causing them to rise and fall. When the cap is placed on the lamp, it traps the heat inside, allowing the blobs to continue moving as the wax melts and cools down. This creates the iconic lava lamp effect even with the cap on.


How homemade lava lamps show convection and radiation?

Homemade lava lamps demonstrate convection through the movement of the colored liquid blobs that rise and fall due to changes in temperature. The blobs rise to the top as they warm up from the base, then cool and sink back down. Radiation is shown through the light source at the base heating up the blobs, causing them to glow and emit light as they move.


Is a lava lamp a suspension?

Yes, a lava lamp is a suspension. It contains a mixture of liquids and solids that do not dissolve completely, leading to the distinctive blobs of wax floating around in the liquid.

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