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

How are flowers similar to the reproductive organs of plant? Characteristics of past mass extinctions? What are the behaviors of a meerkat? What object may collide with plants and moons? Water that flows downhill along Earths surface is called? What percent of the body weight do minerals make up? Is the moon's elongation east or west during waxing phases? What is the dingbat for point point point? The North Pole was first reached by who in 1909? Is the planet tyche real? Why is it easier to move materials across membranes down a concentration gradient? What is the history of mt vesuvius? What does it mean if the clorine level is orange? What percent of 112 meters is 28 meters? What year will all the forests be cut down? How did Half Dome originally form How has it changed from the past And How will it change in the future based on the rock cycle? What moves around the nucleus and what is its charge? How does biological factors contribute to equality of individuals? How atomic number better than atomic mass? Is helium metal nonmetalor metalliod?

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