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.
Inside a lava lamp there is wax.
A Lava lamp is amixture of compounds.
how to make a graph for a lava lamp
some kind of heat sensitive goo, and probably dye.
It depends on the size of the lava lamp
what is the controlled variable in a homemade lava lamp
lava lamp works best in a volcano
The size of the smallest lava lamp is 11.5 inch
The chemicals in a lava lamp are: water (H2O) and wax (hydrocarbon).
Whats the independent variable of the lava lamp
Well there is a metal springy at the bottom of your lava lamp, It helps heat the lava (wax) in the bottle.
I have a lava lamp from the 70's and it cost $20