No, a lava lamp is not considered a type of optical device.
Hot jelly
Yes
co2, h2o oil food coloring
I am not sure that you know what you are asking. To heat something manually is to hold it in your hands and warm it up to your own body temperature; that is not hot enough to break a lava lamp. The only thing you can destroy with your own body heat is a snowflake. But I don't think that's what you really mean. If you are going to position your lava lamp over a candle, then yes, you might break it. What's wrong with using the built-in light, did it burn out?
it has aa lava, so it is not fluid like, but still basaltic.
It depends on the size of the lava lamp
some kind of heat sensitive goo, and probably dye.
It is called a lava lamp because of its resemblance to flowing lava. The lamp contains wax or oil that moves in a mesmerizing way, similar to the slow movement of lava.
Well there is a metal springy at the bottom of your lava lamp, It helps heat the lava (wax) in the bottle.
A lava lamp is considered a mixture. It is a combination of oil, water, and wax that behaves as a solution when heated.
I have a lava lamp from the 70's and it cost $20
The manipulated variable in making a lava lamp is the temperature of the lamp, which can be adjusted to control the movement of the colored blobs in the lamp.
The lava in a lava lamp rises and falls due to changes in temperature. If the lamp is not warm enough, the lava may not heat up sufficiently to flow downward. Ensure the lamp is placed in a warm area and allow some time for the lava to heat up and flow naturally.
A volcanic eruption is a living example of a lava lamp, where molten lava rises to the surface, cools, and solidifies. The cycle repeats as new lava continues to flow, resembling the movement of the liquid wax in a lava lamp.
The independent variable of a lava lamp experiment could be the temperature of the lamp, the type of wax or liquid inside the lamp, or the amount of time the lamp is switched on.
Signs of a faulty lava lamp may include the lava not flowing properly, cloudy liquid, or the lamp not heating up sufficiently. Additionally, if the lava lamp is making strange noises or has a burnt-out bulb, it may indicate a problem.
The lamp at the bottom of a lava lamp typically heats up to around 150-200 degrees Fahrenheit (65-93 degrees Celsius). This temperature is necessary to melt the wax and create the mesmerizing lava lamp effect.