What word involves creating representations of complex objects or processes to help people study and understand things that cannot be observed directly?

How many genes does zygote contain? What are some jobs in the field of communication? Who placed the earth in the centre of universe? What is covered with red sand and has enormous mountains? Do all the outer planets have the names of Roman gods? Is vaporize a physical change or chemical? What is the regeneration of action potential called? What are samples solid combustibles materials? What are some physical features you would see around your house? Why are density and phase listed at specific temperature? What do you notice about the brightness of the bulb? Who supplied raw materials? What is the magnetic flux through the loop of a square wire loop 4Cm on a side which is perpendicular to the magnetic field 0.025Tesla? What do the microtubules form? Are nematodesmost likely prokaryotic or eukaryotic and why? What are some compounds that are most likely to be part of living organisms? What is Ares special objects? How many cups of water in 700ml? Does Venus have any moons and what are the names? What was the goal of the 1985 gram Rudman hollings act?

What word involves creating representations of complex objects or processes to help people study and understand things that cannot be observed directly?